Mathematics, Magic & Mystery by Martin Gardner - Book Vanishing inc Often depicted as a black-and-white

Often depicted as a black-and-white spiral galaxy

Skill level = zero

a double backer

convenient to handle

The mayor is instructed to keep the envelope in his possession and not let anyone tamper with it

Mathematics, Magic & Mystery by Martin Gardner - Book Vanishing inc Often depicted as a black-and-whiteWhy do card tricks work? How can magicians do astonishing feats of mathematics mentally? Why do stage "mind reading" tricks work? As a rule we simply accept these tricks as "magic," we seldom recognize that they are really demonstrations of strict laws based on probability, sets, theory of numbers, topology and other branches of mathematics. This is the first book length study of this fascinating branch of recreational mathematics. Written by one of