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Loopy Logic Problems and Other Puzzles

Loopy Logic Problems and Other Puzzles

Dover

$19.95
Mathematical Puzzles and Pastimes

Mathematical Puzzles and Pastimes

Dover

$7.99
Mental Floss Logic Mental Floss Logic

Mental Floss Logic

Union Square & Co

$10.99
Codes; Ciphers; Secret Writing

Codes; Ciphers; Secret Writing

Dover Publications

$5.95
Symbolic Game of Logic

Symbolic Game of Logic

Dover Publications

$15.95
A Brief History of Puzzles

A Brief History of Puzzles

IPG

$16.95
Brain Games for Adults

Brain Games for Adults

IPG

$12.95
5 Minute Brain Games for Clever Kids

5 Minute Brain Games for Clever Kids

Buster Books

$8.99
The Chess Lovers Puzzle Book

The Chess Lovers Puzzle Book

Ivy Press

$19.99
Peaceful Mind Book of Japanese Logic Puzzles

Peaceful Mind Book of Japanese Logic Puzzles

Union Square & Co

$11.99
The Ultimate Sherlock Holmes Puzzle Book

The Ultimate Sherlock Holmes Puzzle Book

The Quarto Group

$19.99
Sherlock Holmes Lateral Brain Teasers

Sherlock Holmes Lateral Brain Teasers

The Quarto Group

$9.99
Sherlock Holmes Visual Puzzles

Sherlock Holmes Visual Puzzles

The Quarto Group

$9.99
60-Second Brain Teasers Pencil-Free Puzzles

60-Second Brain Teasers Pencil-Free Puzzles

The Quarto Group

$12.99
60-Second Brain Teasers Crime Puzzles

60-Second Brain Teasers Crime Puzzles

The Quarto Group

$12.99
The Art Puzzle Book

The Art Puzzle Book

Frances Lincon

$19.99
Logic Games for Clever Kids

Logic Games for Clever Kids

Trade Paper

$8.99
Brain-Stretching Logic Puzzles

Brain-Stretching Logic Puzzles

Puzzlewright

$7.95
The Bogota Puzzles

The Bogota Puzzles

Dover Publications

$11.95
Brain Busters! Brain Busters!

Brain Busters!

Dover Publications

$7.95
Mathematics; Magic and Mystery

Mathematics; Magic and Mystery

Dover Publications

$11.95
The Ultimate Codebreakers Puzz The Ultimate Codebreakers Puzz

The Ultimate Codebreakers Puzz

Baker & Taylor

$12.99
The National Gallery Masters of Art Puzzle Book

The National Gallery Masters of Art Puzzle Book

Welbeck Publishing

$14.95
The Amazing Sherlock Holmes Pu

The Amazing Sherlock Holmes Pu

Sirius

$9.99
10 Minute Brain Games for Clever Kids 10 Minute Brain Games for Clever Kids

10 Minute Brain Games for Clever Kids

IPG

$8.99
10-Minute Brain Teasers

10-Minute Brain Teasers

Penguin Random House

$8.99
Fiendish Logic Puzzles

Fiendish Logic Puzzles

Puzzle Baron

$16.99
Smart Kids! 101 Math Puzzles

Smart Kids! 101 Math Puzzles

Arcturus

$9.99
Edgar Allan Poe Puzzles

Edgar Allan Poe Puzzles

Arcturus

$9.99
Great Sherlock Holmes Puzzle B

Great Sherlock Holmes Puzzle B

Acturus

$9.99
Brain Busting Mind Twisting

Brain Busting Mind Twisting

Charlesbridge/Imagine

$12.95
Einstein Puzzles

Einstein Puzzles

Arcturus

$12.99
100 Sudoku On The Go

100 Sudoku On The Go

Penguin Group

$5.99
12pc Pip D6's - Cold Brew

12pc Pip D6's - Cold Brew

Foam Brain Dice

$11.99
12pc Pip D6's - Espresso Cream

12pc Pip D6's - Espresso Cream

Foam Brain Games

$11.99
12pc Pip D6's - Lakebed

12pc Pip D6's - Lakebed

Foam Brain Games

$11.99
12pc Pip D6's - Thunderstorm

12pc Pip D6's - Thunderstorm

Foam Brain Games

$11.99
12pc Pip D6s - Blended Orange

12pc Pip D6s - Blended Orange

Foam Brain Games

$11.99
1990's Decade of Trivia

1990's Decade of Trivia

Outset Media

$6.99
3D Illusion Maker

3D Illusion Maker

U.S. Toy

$10.99
3D Paper Model Alpaca

3D Paper Model Alpaca

fridolin

$8.99
3D Paper Model Bear and baby

3D Paper Model Bear and baby

fridolin

$8.99