Ayla travels to a hidden valley where she lives with a herd of steppe horses, and rescues Jondalar, one of the "Others", from certain death.

"A mesmerizing overview of the world as it was when glaciers covered the earth and long-extinct creatures like the woolly mammoths and saber-toothed cats battled to survive. Go back 20,000 years ago to a time of much colder global temperatures when glaciers and extensive sheets of ice covered much of our planet. As these sheets traveled, they caused enormous changes in the Earth's landscape and climate, leading to the evolution of creatures such as...

After their epic journey across Europe, Ayla and Jondalar have reached his home, the Ninth Cave of the Zelandonii, the old stone age settlement in the region known today as southwest France. Jondalar's family greet him warmly, but they are initially wary of the beautiful young woman he has brought back, with her strange accent and her tame wolf and horses.

In this engrossing and accessible book, Doug Macdougall explores the causes and effects of ice ages that have gripped our planet throughout its history, from the earliest known glaciation-nearly three billion years ago-to the present. Following the development of scientific ideas about these dramatic events, Macdougall traces the lives of many of the brilliant and intriguing characters who have contributed to the evolving understanding of how ice...

When global warming triggers the onset of a new Ice Age, tornadoes flatten Los Angeles, a tidal wave engulfs New York City and the entire Northern Hemisphere begins to freeze solid. Now, climatologist Jack Hall, his son Sam, and a small band of survivors must ride out the growing superstorm and stay alive in the face of an enemy more powerful and relentless than anything anyone has ever encountered: Mother Nature.

The reader's choices determine whether three friends will survive after being mysteriously transported back in time to when the climate was cold and saber-toothed cats and wooly mammoths roamed the land.

"One of the most significant works on our evolutionary ancestry since Richard Leakey's paradigm-shattering Origins, The First Signs is the first-ever exploration of the little-known geometric images that accompany most cave art around the world-- the first indications of symbolic meaning, intelligence, and language. Imagine yourself as a caveman or woman. The place: Europe. The time: 25,000 years ago, the last Ice Age. In reality, you live in an open-air...

"Lug is a cave boy who would rather paint than fight. When he is banished from his clan, he and his two friends discover that the Ice Age is coming, and must figure out how to save their people"--

Can humanity survive on a new world? The last survivors of the human race escaped a ruined Earth. Their new homeworld--Eos--seemed perfect at first. Warm. Hospitable. Safe from the grid. But everything isn't as it seems. The first colony of settlers--from the Carthage--have disappeared. Their settlement is still there, but everyone is gone. As James digs into the mystery of the lost colony, he discovers a series of spheres, buried on Eos. Are they...