Did you know that Illinois's state fossil is the weird-looking Tully Monster, which had eyes on a pair of stalks and an elephant-like trunk that ended in a toothed claw? Or that Idaho's state fossil is the stocky Hagerman horse, named for the town where its bones were found? Fossils can be found in every state, and this engaging guidebook brings these ancient organisms to life. This book is a fun resource for fossil enthusiasts and future paleontologists of all ages.