One hundred million years ago, the skies were filled with enormous flying reptiles! With wings spans up to nearly forty feet, pterosaurs were the dominant life form on earth. Learn more about these incredible creatures and the world they inhabited.

More than 99 percent of all life forms have gone extinct during the 3.6-billion-year history of life on Earth. Other organisms have changed dramatically, but not our extreme survivors. Evolution may have altered their physiology and behavior, but their body plans have stood the test of time. ? How have these living links with Earth's prehistoric past survived? The search for answers is leading scientists to new discoveries about the past-and future-of...

"It was known as the age of the dinosaurs. But, they were not alone. Other creatures roamed Earth at the same time. Journey across land, sea, and sky as you read and write numbers, and explore the world of ancient animals"--

Rhyming text in the pattern of "Over in the meadow" introduces dinosaurs and other prehistoric creatures and their mothers, from one trumpeting woolly mammoth to ten hatching maiasaurs. Includes a timeline and facts about the animals in the rhyme.

Home to the 2,500-km Fossil Trail, the Philip J. Currie Dinosaur Museum, the Royal Tyrrell Museum of Palaeontology, and Dinosaur Provincial Park-a UNESCO World Heritage site-the Alberta Badlands have unearthed more species of dinosaurs than anywhere else in the world and hundreds of thousands of tourists visit the fossil beds annually. Despite being star attractions in museums around the world, the dinosaurs of Alberta have never before been the subject...

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

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.