What sort of prehistoric fossils are hidden beneath our feet? Learn all about key fossil topics, including fossil formation and preservation and prehistoric periods. Discover fascinating facts, including: why fossils are so rare the age of the oldest fossil ever found the amazing animals that lived millions of years ago . and much more! Through bite-size facts and hands-on activities, Investigating Fossils brings science to life and gets kids excited about the world around them. Not just informative, this is an engaging and memorable science read, great for even the most reluctant readers and perfect for budding rock detectives and dinosaur enthusiasts! Investigating Fossils is one of four books in the Earth Rocks! series, all about the rocky materials that make up planet Earth.