Penelope Rex gets a saber-toothed tiger for her first pet, but find 'Mittens' a lot to handle.

Have you heard the news? Your favorite sub-zero heroes are back in an all-new holiday adventure for the whole family! When Sid accidentally destroys Manny's heirloom Christmas rock and ends up on Santa's 'naughty list, ' he leads a hilarious quest to the North Pole to make things right and ends up making things much worse. Now it's up to Manny and his prehistoric posse to band together and save Christmas for the entire world! Bonus features included....

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. A great place to begin research for a report....

"Describes the characteristics, food, habitat, behavior, and extinction of sabertooth cats"--

Tara is a tiger cub. What is it like to grow up in a wild animal park? If you look closely, you will discover how Tara grows from a tiny newborn cub to a pouncing, full-grown tiger there. Beginning readers will delight in watching Tara as she gets her first tooth, takes her first swim, and plays with other tigers.

Describes the biological, social, and hunting characteristics of five sabor-toothed cats.

With only ancient bones--and massive teeth--to guide them, scientists are learning amazing facts about these enormous prehistoric cats.

Get ready for loads of family entertainment with Scrat shorts, featurettes, and more!

A look at the prehistoric world of saber-toothed cats.