Join a team of 22nd century scientists- and a stowaway crocodile- as they journey back to the age of T-Rexes, pterosaurs, and other creatures with fascinating features. This fun-filled script includes song lyrics based on classic folk/children's tunes. A special section for teachers provides tips on staging a school production with scenery, props, and costumes. This book is ideal for kids ages 8-12. It can be used for a full-scale school musical, for classroom readings, or for children to simply read to themselves. (Sheet music not included.)