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 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.

"This is the story of 10-year-old Henry, who has moved with his mother--his father died when he was small--to a snowy mountain town where it has been hard to make friends. Making matters worse is a concussion he sustained when bullies collapsed a snow tunnel onto him. When Henry finds an injured prehistoric short-faced bear, he names him Yarp and, in secret, nurses him back to health. But what creature injured Yarp in the first place? Henry is determined...

A young Tyrannosaurus rex with very poor eyesight loses his eyeglasses, resulting in chaos for himself and the creatures around him.

Surprises are in store as Stink excavates his backyard in search of a relic from an extinct beast -- and Judy lends him a little sleight of hand. Mega-chomp! Stink wants to make the find of the century. He's on a dig, dig, digging quest in his backyard to find a tooth from a saber-toothed cat, otherwise known as a Smilodon. Why not? Two kids in Michigan found a mastodon bone in a backyard stream, and a girl in Great Britain found a pterosaur bone....

Hugo, Gala, and the professor head back in time to prehistoric times with Gala's robot, C-R3BRO, where they risk being eaten by a dinosaur.

"Meet Orq. He cave boy. Meet Woma. He woolly mammoth. Orq love Woma. A lot. He want pet. Orq's mother say Woma shed. And smell. And not housetrained. Yuck. Woma not allowed in cave. But Orq has plan. Kind of."

When Connecticut middle-schooler, Jake and his older sister, Kady are transported back to Pangaea, the strange world of lost civilizations, they must find the truth behind the mythic Eye of Ra in order to survive.

When their cousin is stung by a snoozer fly and falls into a deep sleep, Geronimo and Thea set out in search of the antidote from the putrid pee-yoo flower.

A young Tyrannosaurus rex with very poor eyesight loses his eyeglasses, resulting in chaos for himself and the creatures around him. Rex ha perdido sus lentes y todo le sale al revés. Confunde tostadas con pantuflas, búhos con toallas...¡Ya ní siquiera a reconoce a sus amigos! Como no encuentre pronto sus gafas... ¡se va a meter en un buen lío!