’Be warned: cracking puzzles releases a very addictive drug.’ – Marcus du Sautoy Have you ever wanted to be a puzzle pro or logical luminary? Well, look n

"Be warned: cracking puzzles releases a very addictive drug." - Marcus du Sautoy Do you consider yourself a puzzle pundit or leading logician? Well, look no fur

The noted expert selects 70 of his favorite "short" puzzles, including such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Top

A collection of math and logic puzzles features number games, magic squares, tricks, problems with dominoes and dice, and cross sums, in addition to other intel

Based on Stanford University's well-known competitive exam, this excellent mathematics workbook offers students at both high school and college levels a complet