Puzzle & quiz books
Emne: mathematical recreations
Illustrations, facsims....
Se mere om bogen
Sharpen your brain and test your mental agility with the number tricks, tips and puzzles in this entertaining and challenging book Illustrations...
Se mere om bogen
Provides a code-breaking challenge based on Sudoku. First you have to complete 200 puzzles arranged in levels of difficulty from "Easy" to "Cruel." Each of 100 numerical sudoku puzzles is paired with ...
Se mere om bogen
36ill....
Se mere om bogen
Don't know what to do with a Sudoku? This book aims to guide you through the intricacies of the international puzzle craze, unlocking the logic behind 'magic squares' and helping you on the way to suc...
Se mere om bogen
Takes the reader on a tour of Lewis Carroll's world of mathematical games and word plays. This book contains scores of Carroll's inventions, illustrating the genius and humor that ensured his permanen...
Se mere om bogen