The Land Before Time By (author): "Tony Geiss, Judy Freudberg, Jim Razzi"Genres:Childrens books Picture Books Prehistoric books Dinosaurs books ISBN0552525677ISBN139780552525671AsinThe Land Before TimeOriginal titleThe Land Before TimePrehistoric pals Littlefoot, Cera, Petrie, Ducky and Spike journey against difficult odds to find safety in the Great Valley.