Book:Claude-Gaspar Bachet/Problèmes Plaisans et Delectables qui se font par les Nombres

Subject Matter

 * Recreational mathematics: a collection of arithmetical tricks and questions

A compendium of previously published puzzles:
 * River crossing problems
 * The method of constructing magic squares that originated with
 * The Josephus problem as solved by
 * A liquid pouring problem
 * Several Think of a Number tricks