Well known and much treasured among puzzle aficionados, Professor Hoffmann's 1893 collection of puzzles features both classic and new brainteasers. Including both arithmetic problems and challenges involving words and letters, these pleasantly perplexing highlights from the original edition abound in Victorian charm. Complete solutions for all 158 puzzles. Dover republication of a selection of puzzles from Puzzles Old and New, Frederick Warne and Co., London and New York, 1893.
101 Puzzles in Thought and Logic by C. R. Wylie, Jr. Solve murder problems and robberies, see which fishermen are liars and how a blind man can identify color — purely by reasoning! Hours of mind-strengthening entertainment.
Book of Curious and Interesting Puzzles by David Wells This collection by a bestselling author consists of more than 560 puzzles from around the world and throughout history. "Of immense interest." — Mathematical Gazette. 382 illustrations.
Brain Busters! Mind-Stretching Puzzles in Math and Logic by Barry R. Clarke Fifty-one original puzzles include complex crosswords, a collection of amusing stories with a series of clues that lead to a single solution at the end, and an advanced series of math and logic puzzles.
The Lady or the Tiger?: and Other Logic Puzzles by Raymond M. Smullyan Created by a renowned puzzle master, these whimsically themed challenges involve paradoxes about probability, time, and change; metapuzzles; and self-referentiality. Nineteen chapters advance in difficulty from relatively simple to highly complex. 1982 edition.
Satan, Cantor and Infinity: Mind-Boggling Puzzles by Raymond M. Smullyan A renowned mathematician tells stories of knights and knaves in an entertaining look at the logical precepts behind infinity, probability, time, and change. Requires a strong background in mathematics. Complete solutions.
The Stanford Mathematics Problem Book: With Hints and Solutions by G. Polya, J. Kilpatrick Based on Stanford University's well-known competitive exam, this excellent mathematics workbook offers students at both high school and college levels a complete set of problems, hints, and solutions. 1974 edition.
