The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

The original construction of the ancient English monument of Stonehenge forms the backdrop of the story of three men, brothers and rivals--Lengar, a tyrant and patricide; his bastard brother Camaban, a sorcerer; and Saban, who must reverse the horrors ofthe past to realize the vision of Stonehenge.

The Shelters of Stone opens as Ayla and Jondalar, along with their animal friends, Wolf, Whinney, and Racer, complete their epic journey across Europe and are greeted by Jondalar’s people: the Zelandonii. The people of the Ninth Cave of the Zelandonii fascinate Ayla. Their clothes, customs, artifacts, even their homes—formed in great cliffs of vertical limestone—are a source of wonder to her. And in the woman Zelandoni, the...

Ayla and Jondalar meet the Mamutoi-the Mammoth Hunters--people like Ayla. Ayla finds herself torn between the wildly jealous Jondalar and the master carver Ranec.

Stanley, a caveman who does not like to live in a cave, finally finds a different way of life for himself.

The Time Warp Trio find themselves in the middle of an adventure in prehistoric times, where cave art is a form of graffiti and "rock" music takes on a whole new meaning.

In the last Ice Age, while on a hunt with his tribe's most elite group, a young man is injured and left for dead. Awakening to find himself broken and alone, he must learn to survive and navigate the harsh and unforgiving wilderness. Reluctantly taming a lone wolf abandoned by its pack, the pair learns to rely on each other and become unlikely allies, enduring countless dangers and overwhelming odds in order to find their way home before the deadly...

6,000 years in the past, twelve-year-old Tarak and his guide, a wolf cub, set out on a dangerous journey to fulfill an oath the boy made to his dying father--to travel to the Mountain of the World Spirit seeking a way to destroy a demon-possessed bear that threatens all the clans.

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure. Geronimo Stiltonoot and his family are off to find a cure for Grandma Ratrock's aches and pains. She's heard that a remedy hides in a legendary valley, and Geronimo isn't even sure it exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava.

"The Paleo Diet will work wonders. Dr. Loren Cordain demonstrates how, by eating your fill of satisfying and delicious lean meats and fish, fresh fruits, snacks, and non-starchy vegetables, you can lose weight and prevent and treat heart disease, cancer, osteoporosis, metabolic syndrome, and many other illnesses. Breakthrough nutrition program based on eating the foods we were genetically designed to eat-lean meats and fish and other foods that made...