What the heck is a tumbleweed, and why does it tumble? What does the "Q" in Q-tips stand for? Why are the oceans salty? Why are the Muppets lefthanded? And what, exactly, is the McDonald's character "the Grimace" supposed to be? If questions like these leave you sleepless, then satisfy your thirst for knowledge with this second compendium from the Imponderables "TM" series. Feldman has tirelessly searched for the answers to those mystifying questions that frequently give people pause. Organized in a question-and-answer format, this three-in-one collection by the author who knows and reveals such vital information as the moment when a kid turns into a goat is a must-have for anyone who's searching for solutions to life's mysteries.