challenging-mathematical-teasers

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Challenging Mathematical Teasers by J. A. H. Hunter  PB
Challenging Mathematical Teasers by J. A. H. Hunter PB

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CHALLENGING MATHEMATICAL TEASERS (DOVER RECREATIONAL MATH) By J. A. H. Hunter
CHALLENGING MATHEMATICAL TEASERS (DOVER RECREATIONAL MATH) By J. A. H. Hunter

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Challenging Mathematical Teasers by Hunter, J. A. H.
Challenging Mathematical Teasers by Hunter, J. A. H.

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Challenging Mathematical Teasers Paperback J. A. H. Hunter
Challenging Mathematical Teasers Paperback J. A. H. Hunter

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Challenging Mathematical Teasers (Dover Recreational Math), Hunter, J. A. H., Ex
Challenging Mathematical Teasers (Dover Recreational Math), Hunter, J. A. H., Ex

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Challenging Mathematical Teasers by J A H Hunter: Used
Challenging Mathematical Teasers by J A H Hunter: Used

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That - GOOD
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That - GOOD

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Challenging Calcu-doku Puzzles
Challenging Calcu-doku Puzzles

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The Most Challenging Number Game Ever! Sudoku Hard To Extreme
The Most Challenging Number Game Ever! Sudoku Hard To Extreme

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The Times Fiendish Su Doku Book 11: 200 Challenging Su Doku Puzzles - ACCEPTABLE
The Times Fiendish Su Doku Book 11: 200 Challenging Su Doku Puzzles - ACCEPTABLE

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Make Y

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That...
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That...

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Perplexing Puzzles and Tantalizing Teasers by Martin Gardner Dover Activity
Perplexing Puzzles and Tantalizing Teasers by Martin Gardner Dover Activity

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Will Shortz Presents Brain-Training KenKen: 100 Challenging Logic Puzzles - GOOD
Will Shortz Presents Brain-Training KenKen: 100 Challenging Logic Puzzles - GOOD

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Challenging Math Puzzles by Vecchione, Glen
Challenging Math Puzzles by Vecchione, Glen

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Challenging Math Riddles For Kids: Fun Brainteasers & Logic Games To Develo...
Challenging Math Riddles For Kids: Fun Brainteasers & Logic Games To Develo...

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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Cross - GOOD
Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging Cross - GOOD

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Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic  - GOOD
Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic - GOOD

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Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic Puzzles
Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic Puzzles

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Gordon R Burgin 150+ Challenging Numeric & Logic Puzzles (Paperback)
Gordon R Burgin 150+ Challenging Numeric & Logic Puzzles (Paperback)

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The Times Ultimate Killer Su Doku Book 2: 120 Challenging Puzzles from the Times
The Times Ultimate Killer Su Doku Book 2: 120 Challenging Puzzles from the Times

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The Times Fiendish Su Doku Book 11 : 200 Challenging Su Doku Puzzles by The...
The Times Fiendish Su Doku Book 11 : 200 Challenging Su Doku Puzzles by The...

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The Times Fiendish Su Doku Book 7: 200 Challenging Puzzles from the Times
The Times Fiendish Su Doku Book 7: 200 Challenging Puzzles from the Times

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150+ Challenging Numeric & Logic Puzzles (Paperback or Softback)
150+ Challenging Numeric & Logic Puzzles (Paperback or Softback)

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The Times Ultimate Killer Su Doku: Book 13: 200 Challenging Puzzles from The...
The Times Ultimate Killer Su Doku: Book 13: 200 Challenging Puzzles from The...

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Times Killer Su Doku 2 : 100 Challenging Puzzles from the Times, Paperback by...
Times Killer Su Doku 2 : 100 Challenging Puzzles from the Times, Paperback by...

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Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging...
Sherlock Holmes Puzzles: Math and Logic Games: Over 100 Challenging...

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The Times Super Fiendish Su Doku Book 6: 200 Challenging Puzzles From The Times
The Times Super Fiendish Su Doku Book 6: 200 Challenging Puzzles From The Times

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Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic Puzzles
Will Shortz Presents KenKen for Your Coffee Break: 100 Challenging Logic Puzzles

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Gordon R Burgin 200+ Challenging Numeric & Logic Puzzles (Paperback) (UK IMPORT)
Gordon R Burgin 200+ Challenging Numeric & Logic Puzzles (Paperback) (UK IMPORT)

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop...
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop...

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Number Enigmas: Over 125 Challenging Exercises Designed for Maximum Fun a - GOOD
Number Enigmas: Over 125 Challenging Exercises Designed for Maximum Fun a - GOOD

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The Most Difficult Pattern Puzzles: Unleash your creative problem-solving to cr
The Most Difficult Pattern Puzzles: Unleash your creative problem-solving to cr

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Challenging Math Riddles for Kids : Fun Brainteasers & Logic Games to Develop...
Challenging Math Riddles for Kids : Fun Brainteasers & Logic Games to Develop...

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The Times Su Doku Book 11: 150 Challenging Puzzles From The Times
The Times Su Doku Book 11: 150 Challenging Puzzles From The Times

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Times Ultimate Killer Su Doku Book 11 : 200 Challenging Puzzles from the Time...
Times Ultimate Killer Su Doku Book 11 : 200 Challenging Puzzles from the Time...

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The Times Super Fiendish Su Doku Book 1: 200 Challenging Puzzles from the Ti...
The Times Super Fiendish Su Doku Book 1: 200 Challenging Puzzles from the Ti...

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop ...
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop ...

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The Super Challenging Sudoku for Geniuses - 240 Hard Sudoku Puzzles (Paperback o
The Super Challenging Sudoku for Geniuses - 240 Hard Sudoku Puzzles (Paperback o

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The Chicken From Minsk: And 99 Other Infuriating Challenging Brain Teasers From
The Chicken From Minsk: And 99 Other Infuriating Challenging Brain Teasers From

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Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Mak...
Will Shortz Presents Ferocious KenKen: 200 Challenging Logic Puzzles That Mak...

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Will Shortz Presents Brain-Training Kenken: 100 Challenging Logic Puzzles That M
Will Shortz Presents Brain-Training Kenken: 100 Challenging Logic Puzzles That M

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Challenging Calcu-doku Puzzles by Sterling Innovation
Challenging Calcu-doku Puzzles by Sterling Innovation

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The Brain Boosting Sudoku Loco Craze - Very Hard Puzzles with 200+ Challenges (P
The Brain Boosting Sudoku Loco Craze - Very Hard Puzzles with 200+ Challenges (P

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Will Shortz Presents Brain-Training KenKen : 100 Challenging Logi
Will Shortz Presents Brain-Training KenKen : 100 Challenging Logi

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Game
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Game

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The Most Difficult Pattern Puzzles: Unleash Your Creative Problem-Solving to Cra
The Most Difficult Pattern Puzzles: Unleash Your Creative Problem-Solving to Cra

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Times Killer Su Doku Book 15 : 200 Challenging Puzzles from the Times, Paperb...
Times Killer Su Doku Book 15 : 200 Challenging Puzzles from the Times, Paperb...

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Times Fiendish Su Doku Book 2 : 200 Challenging Puzzles from the Times, Paper...
Times Fiendish Su Doku Book 2 : 200 Challenging Puzzles from the Times, Paper...

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The Times Fiendish Su Doku Book 10: 200 Challenging Puzzles from the Times: Used
The Times Fiendish Su Doku Book 10: 200 Challenging Puzzles from the Times: Used

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The Times Su Doku Book 1: 100 Challenging Puzzles from the Times
The Times Su Doku Book 1: 100 Challenging Puzzles from the Times

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Hard-to-Solve Math Puzzles Paperback Derrick Niederman
Hard-to-Solve Math Puzzles Paperback Derrick Niederman

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Times Killer Su Doku 4 : 150 Challenging Puzzles from the Times, Paperback, B...
Times Killer Su Doku 4 : 150 Challenging Puzzles from the Times, Paperback, B...

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Hard-to-Solve Math Puzzles  paperback Used - Good
Hard-to-Solve Math Puzzles paperback Used - Good

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Times Super Fiendish Su Doku Book 6 : 200 Challenging Puzzles from the Times,...
Times Super Fiendish Su Doku Book 6 : 200 Challenging Puzzles from the Times,...

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The Number Addict's Book of Hard to Extreme Sudoku 200+ Challenging Sudoku Puzzl
The Number Addict's Book of Hard to Extreme Sudoku 200+ Challenging Sudoku Puzzl

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Will Shortz Presents Brain-Busting Kenken: 100 Challenging Logic Puzzles That Ma
Will Shortz Presents Brain-Busting Kenken: 100 Challenging Logic Puzzles That Ma

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Will Shortz Presents Kenken For Your Coffee Break: 100 Challenging Logic Pu...
Will Shortz Presents Kenken For Your Coffee Break: 100 Challenging Logic Pu...

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Brain Busting, Mind Twisting, IQ Crushing Puzzles - Paperback - GOOD
Brain Busting, Mind Twisting, IQ Crushing Puzzles - Paperback - GOOD

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Times Super Fiendish Su Doku Book 4 : 200 Challenging Puzzles from the Times,...
Times Super Fiendish Su Doku Book 4 : 200 Challenging Puzzles from the Times,...

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The Times Super Fiendish Su Doku Book 6: 200 Challenging Puzzles from the Times
The Times Super Fiendish Su Doku Book 6: 200 Challenging Puzzles from the Times

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Times Super Fiendish Su Doku Book 5 : 200 Challenging Puzzles from the Times,...
Times Super Fiendish Su Doku Book 5 : 200 Challenging Puzzles from the Times,...

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200+ Challenging Numeric & Logic Puzzles (Paperback or Softback)
200+ Challenging Numeric & Logic Puzzles (Paperback or Softback)

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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The Times Su Doku Book 10: 150 Challenging Puzzles From The Times
The Times Su Doku Book 10: 150 Challenging Puzzles From The Times

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The Times Ultimate Killer Su Doku Book 4: 120 challenging puzzles from The
The Times Ultimate Killer Su Doku Book 4: 120 challenging puzzles from The

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The Times Fiendish Su Doku Book 15: 200 Challenging Su Doku Puzzles by The Times
The Times Fiendish Su Doku Book 15: 200 Challenging Su Doku Puzzles by The Times

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Times Killer Su Doku Book 13 : 200 Challenging Puzzles from the Times, Paperb...
Times Killer Su Doku Book 13 : 200 Challenging Puzzles from the Times, Paperb...

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Times Killer Su Doku Book 17 : 200 Challenging Puzzles from the Times, Paperb...
Times Killer Su Doku Book 17 : 200 Challenging Puzzles from the Times, Paperb...

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The Times Killer Su Doku Book 9: 150 Challenging Puzzles from the Times
The Times Killer Su Doku Book 9: 150 Challenging Puzzles from the Times

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Times Fiendish Su Doku Book 12 : 200 Challenging Puzzles from the Times, Pape...
Times Fiendish Su Doku Book 12 : 200 Challenging Puzzles from the Times, Pape...

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Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic...
Will Shortz Presents Kenken for Your Coffee Break: 100 Challenging Logic...

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Extremely Challenging Sudoku | 200+ Sudoku Hard Puzzles, Like New Used, Free ...
Extremely Challenging Sudoku | 200+ Sudoku Hard Puzzles, Like New Used, Free ...

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Times Super Fiendish Su Doku Book 11 : 200 Challenging Puzzles, Paperback by ...
Times Super Fiendish Su Doku Book 11 : 200 Challenging Puzzles, Paperback by ...

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Times Samurai Su Doku 2 : 100 Challenging Puzzles from the Times, Paperback, ...
Times Samurai Su Doku 2 : 100 Challenging Puzzles from the Times, Paperback, ...

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Times Samurai Su Doku : 100 Challenging Puzzles from the Times, Paperback by ...
Times Samurai Su Doku : 100 Challenging Puzzles from the Times, Paperback by ...

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Challenging Math Riddles for Kids: Fun Brai... 9781638073871 by Barnes, Patricia
Challenging Math Riddles for Kids: Fun Brai... 9781638073871 by Barnes, Patricia

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The Times Super Fiendish Su Doku: Book 8: 200 Challenging Puzzles Volume 8
The Times Super Fiendish Su Doku: Book 8: 200 Challenging Puzzles Volume 8

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Times Codeword Book 9 : 200 Challenging Logic Puzzles from The Times, Paperba...
Times Codeword Book 9 : 200 Challenging Logic Puzzles from The Times, Paperba...

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Times Fiendish Su Doku Book 14 : 200 Challenging Su Doku Puzzles, Paperback b...
Times Fiendish Su Doku Book 14 : 200 Challenging Su Doku Puzzles, Paperback b...

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Will Shortz Presents Brain-Training Kenken : 100 Challenging Logic Puzzles Th...
Will Shortz Presents Brain-Training Kenken : 100 Challenging Logic Puzzles Th...

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop

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What's Your Sudoku Strategy? | Challenging Puzzle Books One-a-Day
What's Your Sudoku Strategy? | Challenging Puzzle Books One-a-Day

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The New York Times Will Shortz Presents Challenging KenKen: 300 Logi - VERY GOOD
The New York Times Will Shortz Presents Challenging KenKen: 300 Logi - VERY GOOD

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The Number Addict's Book of Hard to Extreme Sudoku | 200+ Challenging Sudoku ...
The Number Addict's Book of Hard to Extreme Sudoku | 200+ Challenging Sudoku ...

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The Times Super Fiendish Su Doku Book 7: 200 challenging puzzles (The Times Su
The Times Super Fiendish Su Doku Book 7: 200 challenging puzzles (The Times Su

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Times Killer Su Doku 3 : 150 Challenging Puzzles from the Times, Paperback, B...
Times Killer Su Doku 3 : 150 Challenging Puzzles from the Times, Paperback, B...

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The Times Killer Su Doku Book 15: 200 challenging puzzles from The Times (The
The Times Killer Su Doku Book 15: 200 challenging puzzles from The Times (The

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Will Shortz Presents Ferocious Kenken : 200 Challenging Logic Puzzles That Ma...
Will Shortz Presents Ferocious Kenken : 200 Challenging Logic Puzzles That Ma...

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Will Shortz Presents Brain-Busting KenKen : 100 Challenging Logic Puzzles Tha...
Will Shortz Presents Brain-Busting KenKen : 100 Challenging Logic Puzzles Tha...

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The Times Ultimate Killer Su Doku Book 2: 120 challenging puzzles from The
The Times Ultimate Killer Su Doku Book 2: 120 challenging puzzles from The

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200+ Challenging Numeric & Logic Puzzles, Burgin 9781905946549 Free Shipping-,
200+ Challenging Numeric & Logic Puzzles, Burgin 9781905946549 Free Shipping-,

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Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat
Challenging Math Riddles for Kids: Fun Brainteasers & Logic Games to Develop Mat

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Will Shortz Presents Kenken for Your Coffee Break : 100 Challenging Logic Puz...
Will Shortz Presents Kenken for Your Coffee Break : 100 Challenging Logic Puz...

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The Most Difficult Pattern Puzzles: Unleash Your Creative Problem-Solving to
The Most Difficult Pattern Puzzles: Unleash Your Creative Problem-Solving to

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Times Samurai Su Doku 5 : 100 Challenging Puzzles from the Times, Paperback b...
Times Samurai Su Doku 5 : 100 Challenging Puzzles from the Times, Paperback b...

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Perplexing Puzzles and Tantalizing Teasers (Dover Children's Ac - ACCEPTABLE
Perplexing Puzzles and Tantalizing Teasers (Dover Children's Ac - ACCEPTABLE

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Perplexing Puzzles and Tantalizing Teasers (Dover Children's Activity - GOOD
Perplexing Puzzles and Tantalizing Teasers (Dover Children's Activity - GOOD

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