Scrat's epic pursuit of the elusive acorn catapults him into the universe where he accidentally sets off a series of cosmic events that transform and threaten the Ice Age World. To save themselves, Sid, Manny, Diego, and the rest of the herd must leave their home and embark on a quest full of comedy and adventure, traveling to exotic new lands and encountering a host of colorful new characters.

Ayla struggles to find a balance between her duties as a new mother and her training to become a Zelandoni -- one of the Ninth Cave community's spiritual leaders and healers.

In this second novel of the Earth's Children saga, Ayla, the unforgettable heroine of THE CLAN OF THE CAVE BEAR, sets out solo into a world far from friendly. She is in search of others like herself...and in search of love. Driven by energies she scarcely understands, she explores where the clan never dared to travel. In a hidden valley, she finds not only a herd of steppe horses, but also a unique kinship with animals as vulnerable as herself. Still,...

Describes the lives of those dwelling in Europe during the Ice Age and discusses how they survived the harsh conditions of that period.

Twenty thousand years ago, as the Earth was being overrun with glaciers, Manny, Diego, Sid and Scrat become a courageous quartet of migrating misfits braving the frozen terrain and embarking on an incredible journey. Creatures everywhere were fleeing the onslaught of the new Ice age ...

WHAT IS THE PROMISE OF THE WOLF? NEVER CONSORT WITH HUMANS. NEVER KILL A HUMAN UNPROVOKED. NEVER ALLOW A MIXED-BLOOD WOLF TO LIVE. At least that's what the wolves of the Wide Valley believe. Until a young wolf dares to break the rules -- and forever alters the relationship between wolves and the humans who share their world. This is the story of such a wolf. Born of a forbidden mixed-blood litter and an outcast after her mother is banished, Kaala...

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.

What was it like to live in the Ice Age and why was the world so cold? Who made the first cave paintings? What ever happened to sabertooth cats and wooly mammoths? Find out the answers to these questions and more in Magic Tree House Research Guide : Sabertooths and the Ice Age, Jack and Annie's guide to unlocking the mysteries of the Ice Age! This is the nonfiction companion to Sunset of the Sabertooth...

The day after tomorrow: 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. 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. I, robot: A homicide...