Hamilton Troll Meets Dinosaurs (Hardcover, 6th ed.)

Dinosaurs lived millions of years ago and are now extinct yet they left behind clues that tell their story. Hamilton Troll comes across one of those clues, a fossil, that leads him and the Beaver Brothers up the river to a dinosaur museum where they learn so much about these prehistoric animals, including how big some of them were. However it is when Hamilton Troll walks up to a hatching nest of eggs and meets these dinosaurs first hand that hediscovers how great and magnificent these creatures once were.