The earliest puzzle (that we know of!) dates back more than four thousand years to ancient Babylonia, just one of many mysteries mankind has tackled during our time on earth. Now you can exercise your mental muscles—and take a tour through human history—with these confounding compendiums. Classic Puzzles draws dozens of riddles and mathematical quandaries from ancient Egypt and Greece to nineteenth-century America, while Modern Puzzles collects headscratchers from the Victorian era through to the digital age. The answers for each puzzle are included, for those who want to confirm their brilliance!