
Classics : Whodunits (October 2008)
$6.29

Classic Mathemagic
$6.69 - $8.29

Classic Whodunits
$5.59 - $6.59

Math Puzzles for the Clever Mind
$7.09 - $34.49

Murder at the Chessboard
Out of Stock

Number Freak: From 1 to 200- The Hidden Language of Numbers Revealed
$5.19 - $22.75

Giant Book of Hard-To-Solve Mind Puzzles
Out of Stock

What the Numbers Say: A Field Guide to Mastering Our Numerical World
$21.92

Whodunits (Pocket Puzzlers)
$5.99

Brain Aerobics Math Puzzles
$5.89 - $6.99

Mensa Math (Official Mensa Puzzle Book)
$7.49

Inspector Forsooth's Whodunits
$6.79 - $10.89

A Killing on Wall Street: An Investment Mystery
$7.69 - $9.29

The Little Giant Book of Math Puzzles
$10.79

Mind-Stretching Math Puzzles
$9.29

Hard-to-Solve Math Puzzles
Out of Stock

The Puzzler's Dilemma
$5.79 - $23.37

Classic Brain Twisters
Out of Stock

This Is Not Your Father's Stockpicking Book:: Profiting from the Hidden Investment Clues Found in Everyday Things
$7.49

The Inner Game of Investing: Access the Power of Your Investment Personality
$20.99 - $23.03

Inspector Forsooth's Mini-Mysteries
$7.29

Sit & Solve Brainteasers (Sit & Solve Series)
$5.59

The Secret Clubhouse Game Book
Out of Stock

CASSE-TETES ENIGMATIQUES
Out of Stock

Mathemagic: 169 Astonishing Numerical Challenges. Raymond Blum, Adam Hart-Davis, Bob Longe, and Derrick Niederman
Out of Stock