Can You Solve My Problems?: Ingenious, Perplexing, and Totally Satisfying Math and Logic Puzzles by Alex Bellos

$ 15.95

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...