Book excerpt: While we all love classic riddles (wait, the doctor was the mother?), expert riddle solvers deserve some new material. Riddles for Smart People includes several types of original, never-before-seen riddles: seemingly impossible stories, "What am I?" rhyming riddles, lateral thinking puzzles, wordplay riddles, and more. These 100+ family-friendly brainteasers will challenge your intellect, make you laugh (or at least groan), and keep you guessing!