Mathematical Recreations and Essays

The classic Cambridge collection of mathematical puzzles and amusements, with arithmetical card tricks, magic squares, mazes and famous problems. A favourite source for magicians who build self-working and number-based effects.

W. W. Rouse Ball · Tenth edition, 1922 (first published 1892) · Macmillan and Co. Complete 394-page PDF. Free to download: check out at $0 and the file arrives by email and on your order page.

This classic is in the public domain. Scans come from library copies, so expect the odd stain or stamp of an old book.