As Ayla studies to become a spiritual leader to Jondalar's people, the Zelandonii, she faces many challenges, including being separated from Jondalar and their young daughter, Jonayla, and experiences a revelation.

A band of creatures fleeing the coming frost tries to reunite a human baby with its tribe; the Ice Age is coming to an end and Manny, a wooly mammoth, and his friends make their way to a distant part of their valley to escape the oncoming flood waters from the melting glaciers; Manny and his friends discover a lost world of dinosaurs; when he is separated from his family, Manny sets off to find a land bridge to reunite him and his family; when Scrat...

Sam Monroe is the reluctant commander of a tough-minded warrior people living in what was once northern Mexico. His tiny country is flanked on the northeast by the Kingdom River, a vast, trade-driven nation that replaced the southern United States, and on the northwest by the Khanate, an empire of nomads who swept down the west coast after crossing the ice from what was once Russia. Sam's people cling to a precarious, hard-won freedom. Toghrul Khan,...