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.

"Set at the dawn of time, when prehistoric creatures and woolly mammoths roamed the earth, this tells the story of Dug, along with sidekick Hognob as they unite his tribe against a mighty enemy Lord Nooth and his Bronze Age City to save their home." --

Ayla, the heroine first introduced in The Clan of the Cave Bear, is known and loved by millions of readers. Now, in The Plains of Passage, Ayla’s story continues.
Ayla and Jondalar set out on horseback across the windswept grasslands of Ice Age Europe. To the hunter-gatherers of their world—who have never seen tame animals—Ayla and Jondalar appear enigmatic and frightening. The mystery surrounding the woman, who...

"40,000 years in the past, the last family of Neanderthals roams the earth. After a crushingly hard winter, their numbers are low, but Girl, the oldest daughter, is just coming of age and her family is determined to travel to the annual meeting place and find her a mate. But the unforgiving landscape takes its toll, and Girl is left alone to care for Runt, a foundling of unknown origin. As Girl and Runt face the coming winter storms, Girl realizes...

Set in the challenging terrain of Ice Age Europe that millions of Jean Auel’s readers have come to treasure, The Mammoth Hunters is an epic novel of love, knowledge, jealousy, and hard choices—a novel certain to garner Jean Auel even greater acclaim as a master storyteller of the dawn of humanity.
Ayla, the independent heroine of The Clan of the Cave Bear and The Valley of Horses, sets out from...

This odyssey into the distant past carries us back to the awesome mysteries of the exotic, primeval world of The Clan of the Cave Bear, and to Ayla, now grown into a beautiful and courageous young woman.
Cruelly cast out by the new leader of the ancient Clan that adopted her as a child, Ayla leaves those she loves behind and travels alone through a stark, open land filled with dangerous animals but few people, searching for the Others,...

"In THE PERSONAL PALEO CODE, Chris Kresser uses the Paleo diet as a baseline from which you can tailor the ideal 3-step program--Reset, Rebuild, and Revise--to fit your lifestyle as well as your individual body type, genetic make-up, and specific health issues. Best of all, you only have to follow the program 80% of the time; there's room to indulge in moderation. THE PERSONAL PALEO CODE also includes practical advice on stress reduction, how to restore...

"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...

"A groundbreaking book about how technological advances in genomics and the extraction of ancient DNA have profoundly changed our understanding of human prehistory while resolving many long-standing controversies. Massive technological innovations now allow scientists to extract and analyze ancient DNA as never before, and it has become clear--in part from David Reich's own contributions to the field--that genomics is as important a means of understanding...

"When people adopt a new diet for health or personal reasons, they worry most about the parties, holidays, and events with strong food traditions, fearing their fond memories will be lost along with the newly eliminated food groups. After suffering for years with a debilitating autoimmune disease and missing many of these special occasions herself, Danielle Walker has revived the joy that cooking for holidays can bring in Danielle Walker's Against...