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Title: My Best Mathematical and Logic Puzzles, Author: Martin Gardner
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My Best Mathematical and Logic…
by Martin Gardner
Explore Series
eBook $5.95
Title: Insanely Difficult Cryptograms, Author: Meridith Berk
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Insanely Difficult Cryptograms
by Meridith Berk, Jenny Patterson
eBook $5.95
Title: Word and Math Puzzels, Author: Stan McDonald
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Word and Math Puzzels
by Stan McDonald
eBook $5.95
Title: Morse Code Memories and Musings: Five Tales in Morse Code, Author: Donald J. Bingle
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Morse Code Memories and…
by Donald J. Bingle
#2 in Series
eBook $5.99
Title: 101 Puzzles, Author: Yakov Perelman
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101 Puzzles
by Yakov Perelman
eBook $5.99
Title: How to Solve Sudoku Puzzles, Author: Arnold Synder
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How to Solve Sudoku Puzzles
by Arnold Synder
eBook $5.99
Title: Brain Teasers, Author: Julia Gaskill
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Brain Teasers
by Julia Gaskill (Created by), Katherine Hyde (Created by)
eBook $5.99
Title: Nightmare Blocks: The Starter Book, Author: Les Page
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Nightmare Blocks: The Starter…
by Les Page
Explore Series
eBook $5.99
Title: Sherlock Holmes: The Murder Files - 10 Puzzling Cases For You To Crack, Author: Welbeck
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Sherlock Holmes: The Murder…
by Welbeck
eBook $5.99
Title: Nightmare Blocks, Author: Les Page
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Nightmare Blocks
by Les Page
Explore Series
eBook $5.99
Title: Sherlock Holmes at the Chameleon Chess Club: Further Adventures in Retrograde Chess Analysis, Author: William Murden
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Sherlock Holmes at the…
by William Murden
eBook $6.99
Title: Sherlock Holmes Case-Book of Curious Puzzles: A Collection of Enigmas to Puzzle Even the Greatest Detective, Author: Gareth Moore
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Sherlock Holmes Case-Book of…
by Gareth Moore, Sidney Paget (Illustrator), George Wylie Hutchinson (Illustrator)
eBook $6.99
Title: Riddle Me This, Author: James Orvis Wilson
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Riddle Me This
by James Orvis Wilson
eBook $6.99
Title: The Original Area Mazes: 100 Addictive Puzzles to Solve with Simple Math-and Clever Logic!, Author: Naoki Inaba
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The Original Area Mazes: 100…
by Naoki Inaba, Ryoichi Murakami, Alex Bellos (Introduction)
Explore Series
eBook $6.99
Title: Sherlock Holmes Compendium of Mysterious Puzzles, Author: Gareth Moore
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Sherlock Holmes Compendium of…
by Gareth Moore, Sidney Paget (Illustrator), George Wylie Hutchinson (Illustrator)
eBook $6.99
Title: 100 Math Brainteasers (Grade 7, 8, 9, 10). Arithmetic, Algebra and Geometry Brain Teasers, Games and Problems with Solutions, Author: Bartholomew Dyda
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100 Math Brainteasers (Grade 7…
by Bartholomew Dyda, Zbigniew Romanowicz, Adam Fisher (Translator), Tom Emusic (Editor), Jacek Skrzydlewski (Illustrator)
eBook $6.99
Title: Say What?: The Book That Makes You Go Whooo?, Author: Justin Case
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Say What?: The Book That Makes…
by Justin Case
eBook $6.99
Title: A New Lease on Life: Defying the Odds of Survival Following a Brain Aneurysm, Author: Ninette Victory
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A New Lease on Life: Defying…
by Ninette Victory
eBook $6.99
Title: Bletchley Park IQ Puzzles, Author: Arcturus Publishing
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Bletchley Park IQ Puzzles
by Arcturus Publishing
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eBook $6.99
Title: Bletchley Park Codebreaking Puzzles, Author: Arcturus Publishing
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Bletchley Park Codebreaking…
by Arcturus Publishing
eBook $6.99

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