
Classics : Whodunits (October 2008)
$4.89

Classic Whodunits
$5.49 - $5.69

Classic Mathemagic
$4.79 - $6.79

Whodunits (Pocket Puzzlers)
$4.59 - $5.59

Murder at the Chessboard
$5.19 - $6.89

Math Puzzles for the Clever Mind
$9.59 - $11.39

What the Numbers Say: A Field Guide to Mastering Our Numerical World
$7.99 - $22.34

Mensa Math (Official Mensa Puzzle Book)
$5.19

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

Inspector Forsooth's Whodunits
$9.19

Brain Aerobics Math Puzzles
$5.89 - $6.69

Number Freak: From 1 to 200- The Hidden Language of Numbers Revealed
$6.39 - $21.40

Hard-to-Solve Math Puzzles
$7.29

Mind-Stretching Math Puzzles
$5.79

Inspector Forsooth's Mini-Mysteries
$12.29

A Killing on Wall Street: An Investment Mystery
$5.89

The Little Giant Book of Math Puzzles
$11.99

The Puzzler's Dilemma
$5.49 - $21.40

Classic Brain Twisters
$7.89

This Is Not Your Father's Stockpicking Book:: Profiting from the Hidden Investment Clues Found in Everyday Things
$8.89

Sit & Solve Brainteasers (Sit & Solve Series)
$5.69

The Secret Clubhouse Game Book
Out of Stock

The Inner Game of Investing: Access the Power of Your Investment Personality
$17.09 - $23.25

CASSE-TETES ENIGMATIQUES
Out of Stock

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