Collision! One very terrible day, an asteroid struck Earth. … Animal Stories Dinosaurs Prehistoric asteroid, dinosaurs, extinction
Lost. . .and Found! Many kinds of plants and animals have become extinct. But some we thought were gone forever have been rediscovered—alive and well! … Animal Stories Collections extinct, extinction
The Greatest Show on Earth Travel back in time for a show that was millions of years in the making. … Animal Stories Prehistoric cretaceous, extinct, extinction, jurassic, mesozoic, pangaea, triassic