"The Croods need a new place to live. So, the first prehistoric family sets off into the world in search of a safer place to call home. When they discover an idyllic walled-in paradise that meets all their needs, they think their problems are solved, except for one thing. Another family already lives there: the Bettermans"--WorldCat.

Friends Ook and Gluk are always getting into trouble with their village chief until they pass through a portal into a future run by the chief's descendant, where they learn kung fu so they can return to the past and free their people.

Set in Ice Age Europe, Ayla, the horse Whinney, which she tamed, and her lover Jondalar encounter the Mamutoi, a tribe of mammoth hunters, who, because of her control over animals, her healing skills, and the magic firestone she discovers, adopt Ayla into their clan. Ayla finds herself drawn to the Mamutoi master carver Ranec, which makes Jondalar wildly jealous. It isn't until after the great mammoth hunt, in which Ayla's life is threatened, that...

"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...

Illustrations and rhyming text reveal the Mighty Underpants War as the true reason dinosaurs are extinct.

The Land that Time Forgot follows the narrative of Bowen Tyler, who is among the few who survived after their ship sank while heading for a battle during World War Ⅰ. Accompanied by Lys La Rue, the only woman on the ship, and a loyal dog, Bowen is rescued by a British ship. However, their relief does not last long after they discover that a German spy is aboard and has been sabotaging the vessel and crew. Forced to drop their anchor at a mysterious...

Kip the Cave Boy and Paleowolf each face hunger and danger on a journey in Paleolithic times, and when they decide to join forces and help one another, Paleowolf becomes the first dog.

In a time before history, in a harsh and beautiful land near the top of the world, womanhood comes cruelly and suddenly to beautiful, young Chagak. Surviving the brutal massacre of her tribe, she sets out across the icy waters off Ameria's northwest coast on an astonishing odyssey that will reveal to Chagak powerful secrets of the earth and sky... and the mysteries of love and loss. (From Fantastic Fiction.)

Explores the origins of life on Earth, by studying the fossils of the past, from the early plants and animals, through the age of dinosaurs, and the coming of humans.