Introduces the period approximately 20,000 years ago when global temperatures were much colder and ice covered much of the planet, and describes how animals living during that time adapted to the environment.

"This book demonstrates that the cause of Ice Ages and smaller climate changes is fluctuation of the sun's magnetic field, which controls the intensity of cosmic rays entering the Earth's atmosphere. Condensation on particles produced by cosmic rays results in formation of clouds that control atmospheric temperatures."--Publisher's description.

Illustrations and text describe the hard life of mammoth hunters in the ice age, including many of the tools and implements they used.

Scat, Manny, Sid, Diego and the rest of the prehistoric pals from Ice Age are back in an all-new hilarious animated adventure! Business is booming at Sid's new egg-sitting service but when the dastardly pirate bunny Squint steals the eggs, Manny, Diego and the rest of the gang take off on a daring rescue mission that turns into the world's first egg hunt.

The Neanderthal world is portrayed reconstructing primordial daily life and beliefs.

"Tamiko the dinosaur fanatic and Ollie the rainforest expert travel back in time to the Ice Age to lead a group of woolly mammoths away from a dangerous avalanche"--

Scientists squabble over the locations and dates for human arrival in the New World. The first explorers were few, encampments fleeting. At some point in time, between twenty and forty thousand years ago, sea levels were low enough that a vast land bridge was exposed between Asia and North America-- but was not the only way across. Childs provides an unsparing, vivid, revelatory travelogue through prehistory that traces the arrival of the First People...

Courageous Ayla and her beloved Jondalar have completed their epic journey across Europe and are greeted by Jondalar's people, the Zelandonii. But as Ayla and Jondalar prepare for their formal mating at the Summer Meeting, there are difficulties. Not all the Zelandonii are welcoming. Some fear Ayla's unfamiliar ways and her relationship with the Clan, openly opposing her union with Jondalar. Now Ayla must call on all her wisdom and instincts to find...