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Canyons, Revised Edition chronicles the origins, history, and structure of the world's most breathtaking gorges, from North America's spectacular Grand Canyon to western Australia's exciting Windjana Gorge, where the Leonard River snakes its way through an ancient barrier reef. This eBook also discusses tectonic activity, undersea canyons, liquid rock, and pinpoints recent scientific studies and modern-day ecological challenges.

Both a scientific tour and a journey through time, this intriguing, eBook profiles 10 of the world's most exciting lakes. From the Caspian Sea, a giant salt water lake; to Lake Eyre, the lake that vanishes; to the sub-Arctic Great Slave Lake, the story of each lake unfolds with a look at its origins, how it has changed over time, and why. Featured lakes are found in the Middle East, the United States, Russia, South America, Europe, Australia, and Canada. Eye-catching images and illustrations complement the lively text.

A captivating introduction to the world's most fascinating caves, Caves, Revised Edition explores every nook and cranny of these nature-made creations—including lava caves, sea caves, and glacial caves—from Kentucky's Mammoth Cave, to the amazing Paleolithic paintings of Lascaux, to Fingal's Cave of Scotland, which inspired Mendelssohn's Hebrides Overture. Engrossing facts about the geologic origins of these underground voids; their astonishing speleothems, or formations, such as stalactites and stalagmites; and the microscopic extremophile organisms that dwell within...

Willis doesn't want to be the only kid who has a dull summer vacation, so he tells a little lie in front of the whole class. This little lie grows into a Monster Lie as he continues to find himself stuck having to cover the first lie with another lie. He can't keep track of what he's already said. Willis finds out how to free himself from his own Monster Lie by following the advice of his loving parents and wonderful teacher. The main character, Willis, and his friends are familiar to children who have been taught to read using the HANSON Reading Phonics Chart System. Willis is introduced in...

Canyons chronicles the origins, history, and structure of the world's most exciting gorges, from North America's spectacular Grand Canyon to western Australia's exciting Windjana Gorge, where the Leonard River snakes its way through an ancient barrier reef.