"The reader's choices determine whether three friends will survive after being mysteriously transported back in time to when huge insects swarmed the skies and fearsome dinosaurs ruled"--OCLC.
Long before humans, the world was filled with extraordinary beasts. Enormous dinosaurs roamed the land and pterosaurs swooped through the sky. Discover these incredible dinosaurs and prehistoric creatures for yourself in this Curious Collection.
Fifth-grader Ronnie and Ms. Lernin tour the Cenozoic Era, where they encounter three kinds of mammals--monotremes, marsupials, and placental mammals--and other animals with which they shared the Earth.
Kip the Cave Boy and Paleowolf each face hunger and danger on a journey in Paleolithic times; when they decide to join forces and help one another, Paleowolf becomes the first dog.