Release Date

Format

Price

Used

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Books

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Games

Logic & Brain Teasers

Cryptic Clue

Tasker, Chris
Available in: eBook - PDF

$1.99

Game Almanac 2012, For Causes: 400 Games of Logic, Math and Skill

Covino, Carmine
Available in: eBook - PDF

$7.95

Mental Clock: The new mental game!

Riviere, Marc
Available in: eBook - PDF

$1.99

The Rough Guide Book of Brain Training

Moore, Gareth
Available in: eBook - PDF

$8.99

Custom Sudoku Board Set: 700 Original Large Print Sudoku Puzzles

Quey, Kent
Available in: eBook - PDF

$6.00

Return of the One-Minute Mysteries and Brain Teasers: More Good Clean Puzzles for All Ages!

Silverthorne, Sandy
Available in: eBook - PDF

$8.99

Brain Games for Dummies

Parker, Timothy E.
Available in: eBook - PDF

$9.99

IQ Gym

Carter, Phillip
Available in: eBook - PDF

$1.99

Quad (Hyper) SuDoku

Defries, Joe J
Available in: eBook - PDF

$6.00

Sudoku Training

Ho, George
Available in: eBook - PDF

$9.99

Sudoku

Suzuki, Yukio
Available in: eBook - PDF

$0.99

Sudoku Puzzles

Square, Ellen
Available in: eBook - PDF

$6.00

Sudoku 2

ALBARJAS, BH
Available in: eBook - PDF

$6.00

Dental Floss for the Mind

Noir, Michel
Available in: eBook - PDF

$12.95

Go Figure!

Brookhart, Clint
Available in: eBook - PDF

$14.95

Discover Your IQ Potential

Russell, Ken
Available in: eBook - PDF

$0.99

Test Your IQ: Brand New Tests by Mensa UK Puzzle Es

Russell, Ken
Available in: eBook - PDF

$17.95