Take a fun, fact-filled trip back to Earth as it was 430 million years ago. Then, watch as continents drift and oceans take shape. Watch out (!) as fish get too

In the style of WHEN BUGS WERE BIG and WHEN FISH GOT FEET this book discusses all the exciting developments of the Triassic Age, from the recovery of the planet

Previously published as three volumes-- When fish got feet, sharks got teeth, and bugs began to swarm; When bugs were big, plants were strange, and tetrapods st

Takes a tour of the Earth three hundred and twenty million years ago, during the Paleozoic Era, and investigates the plants and animals found there.

Sure you know T-Rex was the meat-eating king and brontosaurus munched on leaves, but what else was on the dino dining menu during the Mesozoic era? Meet the 'vo