Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles by Alex Bellos
Then—with just a dash of high school math—you'll tie a rope around the Earth, match wits with a cryptic wizard, and use four 4s to create every number from 1 to 50. (It can be done!) Armed with logic alone, you'll detect counterfeit coins, navigate river crossings, and untangle family trees.
The ultimate casebook for daring puzzlers, Can You Solve My Problems?, also tells the story of the puzzle—from ancient China to Victorian England to modern-day Japan. Grab your pencil and get puzzling!
Paperback, 352 pages.