Nancy F Castaldo

"A narrative nonfiction account of the worldwide water crisis, explaining what's happening to the world's water supply, from industrial pollution to harmful algal blooms, and what kids can do about it"--

In this book, the acclaimed author of Sniffer Dogs details the successful efforts of scientists to bring threatened animals back from the brink of extinction. How could capturing the last wild California condors help save them? Why are some states planning to cull populations of the gray wolf, despite this species only recently making it off the endangered list? How did a decision made during the Civil War to use alligator skin for cheap boots nearly...

This activity guide introduces children to the wild and often misunderstood environment of the desert and the people and cultures that thrive in and around them. Information is included on all types of deserts hot and dry, coastal, semiarid, and polar. Kids learn what defines a desert and the creative ways plants and animals have adapted to survive in harsh desert environments. Also discussed are urban sprawl and its effects on desert habitats and...

"Readers will discover how detection dogs are able to use their noses to find everything from people, both alive and dead, to explosives to . . . whale poop. These working dogs work to please, work to play, and work for love."--

Provides facts and activities that explore tropical and temperate ancient forests, discusses how individuals can help preserve them, and describes well-known and unfamiliar creatures of the rain forest.

"In this fascinating nonfiction account, author Nancy F. Castaldo reveals just what's going on inside the minds of animals, and through understanding animal intelligence we discover more about ourselves, including far more similarities than one might expect. Humans may have the biggest brains, but intelligence is not a quality exclusive to only us!"--

Something as small as a seed can have a worldwide immpact. Did you know there are top-secret seed vaults hidden throughout the world? And once a seed disappears, that's it - it's gone forever? With the growth of genetically modified foods, the use of many seeds is dwindling - of 80,000 edible plants, only about 150 are being cultivated. With a global cast of men and women, scientists and laypeople, and photographic documentation, Nancy Castaldo chronicles...

"In 1833, Ada Lovelace met mathematician Charles Babbage, inventor of calculating machines. She went on to devise a way of inputting data into Babbage's Analytical Machine, and in doing so became the first ever computer programmer. ...Learn all about Ada Lovelace's fascinating life, including her famous father (celebrated poet Lord Byron), her talent for languages and mathematics, and her predictions for how computers could change our lives."--Amazon.com...

"On Isle Royale, a remote island national park surrounded by frigid Lake Superior, a thrilling drama is unfolding between wolves and moose, the island's ultimate predator and prey. For over sixty years, in what has been known as the longest study of a predator-prey relationship in the world, scientists have observed the importance of wolves to Isle Royale's unique ecology. But due to illness and underlying factors, the population of wolves on the...

Explores the outdoors and teaches about a variety of plants and animals with over sixty suggested activities.