books.google.co.in - The noted expert and longtime author of Scientific American's Mathematical Games column selects 70 of his favorite "short" puzzles. Enthusiasts can challenge their skills with such mind-bogglers as The Returning Explorer, The Mutilated Chessboard, Scrambled Box Tops, Bronx vs. Brooklyn, and dozens more...http://books.google.co.in/books/about/My_Best_Mathematical_and_Logic_Puzzlez.html?id=sUuBCzazfYUC&utm_source=gb-gplus-shareMy Best Mathematical and Logic Puzzlez
