From one dinosaur?s head to another?s tail, this informational picture book challenges readers to guess which prehistoric creature each of eight different body parts belongs to. (For example, _What dinosaur had claws like this?”) For each question, the answer is... read more

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Physics is fun It's all about pushing and pulling, running and jumping, rainbows and rockets -- it's even about sports Physics involves the sun and the moon and all the things around you, including how you use energy and how animals and plants do, too. This ... read more

In the sprawling African scrub desert of Etosha National Park in Namibia, they call her "the mother of all elephants." Holding binoculars closely to her eyes, American scientist Caitlin O'Connell could not believe what she was seeing from these African elephants: as the mi... read more

From the Tyrannosaurus striding through the rainforest to the Brachiosaurus reaching for food in the tree tops EyewitnessDinosaur reveals all the fascinating facts about these amazing creatures. Discover all about the terrifying world of dinosaurs with big, bold ... read more

Journey with cryptozoologist Michael Newton as he seeks Bigfoot in North America. BHMs ("Big Hairy Monsters") have been called Bigfoot, Sasquatch, Oh-Mah, Skookum, Momo, Skunk Ape, and more throughout history, and the quest for these elusive beings has been reported and... read more

A unique view of some of the world's most curious living creatures, their intriguing characteristics, and unusual behavior with DK Eyewitness Reptiles.Learn how crocodiles look after their young, how lizards store fat in their tails, and how chameleons swivel their eyes. Fi... read more

This handsome, well-illustrated guide features 514 butterflies from all continents, most of them photographed in their natural environment, sometimes with their caterpillars. Sales of 15,000 copies in hardcover is proof of its value. The butterflies are organized by genus, spec... read more

Militant atheism is on the rise. In recent years Richard Dawkins, Sam Harris, Daniel Dennett, and Christopher Hitchens have produced a steady stream of best-selling books denigrating religious belief. These authors are merely ... read more

The Humongous Book Of Trigonometry Problems

Includes over 800 problems— with steps and simplified solutions— making trigonometry not only engaging, but perfectly clear.

Tough Test Questions? Missed Lectures? Not Enough Time? Fortunately, there's Schaum's. This all-in-one-package includes more than 550 fully solved problems, examples, and practice exercises to sharpen your problem-solving skills. Plus, you will have access to 25 ... read more

Tough Test Questions? Missed Lectures? Not Enough Time? Fortunately, there's Schaum's. More than 40 million students have trusted Schaum's to help them succeed in the classroom and on exams. Schaum's is the key to faster learning and higher grades in every subject. Eac... read more