Science meets subtraction as a swarm of flies buzzes along, losing one member to each predator along the way. Includes a guide to eating bugs, complete with nutritional information for a single serving of flies."--

    But it's time to discover animals that sleep all summer long!All science classrooms discuss animals that hibernate during winter months, but few know about animals that estivate--a prolonged sleep during hot or dry periods. Dual layers of text awaken readers to the reasons estivating animals become dormant--whether it's because warm weather threatens food supply or to avoid increased body temperatures. From the ladybug to the salamander, from the lungfish to the desert hedgehog, twelve estivating animals and their habits--both when sleeping and awake--are explained through clear text and elegant watercolor illustrations that create a scrapbook feel.

    But there was a time when these natural treasures were in great danger, all because after years of unrestricted hunting, one key piece of the puzzle had been eliminated-the wolf. Now, more than a decade after scientists realized the wolves' essential role and returned them to Yellowstone, the park's natural balance is gradually being restored. The informative dual-level text and spectacular full-color photographs show the wolves in the natural habitat that was almost lost without them. Readers of all ages will be inspired by the delicate natural system that is Yellowstone.

    Your teeth are sharp. Your front paws are paddles, your back paws are rudders, and you can swim for miles.Your home has always been the sea and the ice.A sea bear, far north in the Arctic, hunts and naps and raises her young. She moves with the ice, swimming, running, stalking seals, resting. She follows the rhythm of the sea and the seasons.But what happens when those rhythms change? What happens when there is no ice?Lindsay Moore shares the story of one polar bear’s journey for survival in this stunning picture book. Imagine.

    Follow a father and daughter as they make their way through the cavernous wonder, discovering life both present and past. Weave in and out of time as perfectly placed die cuts show you that a fossil today was a creature much long ago, perhaps in a completely different environment. Complete with a spectacular double gatefold, an intricate map and extensive back matter.

    A number of different species and spider behaviors are highlighted in this book, accompanied by clear, labeled illustrations and important vocabulary.This new and updated edition, vetted by an entomologist, includes revised illustrations and the latest in arachnid science. Filled with interesting trivia and information on the history of spiders, as well as an explanation of the difference between spiders and insects, this is a great introduction that takes the fear out of our eight-legged, web-spinning friends.

    Harry was a veterinarian. But he was also a soldier in training for World War I. Harry named the bear Winnie, short for Winnipeg, his company’s home town, and he brought her along to the training camp in England. Winnie followed Harry everywhere and slept under his cot every night. Before long, she became the regiment’s much-loved mascot. But who could care for the bear when Harry had to go to the battleground in France? Harry found just the right place for Winnie while he was away — the London Zoo. There a little boy named Christopher Robin came along and played with Winnie — he could care for this bear too! Sally Walker’s heartwarming story, paired with Jonathan Voss’s evocative illustrations, brings to life the story of the real bear who inspired Winnie the Pooh.

    Newton's Rainbow tells the story of young Isaac—always reading, questioning, observing, and inventing—and how he eventually made his way to Cambridge University, where he studied the work of earlier scientists and began building on their accomplishments. This colorful picture book biography celebrates Newton's discoveries that illuminated the mysteries of gravity, motion, and even rainbows, discoveries that gave mankind a new understanding of the natural world, discoveries that changed science forever.

    Mutt's pedigree was uncertain, but his madness was indisputable. He climbed trees and ladders, rode passenger in an open car wearing goggles and displaying hunting skills that bordered on sheer genius. He was a marvelous dog, worthy of an unusual boy growing up in a raw, untamed wilderness.

    Quirky full-color illustrations portray dozens of birds chatting about their distinctive characteristics, including color, shape, plumage, and beak and foot types, while tongue-in-cheek cartoons feature banter between birds, characters, and the reader ("Here I am, the noble spruce grouse. In a spruce grove. Eatin’ some spruce. Yep."). Interactive and enjoyable tips bring an age-old hobby to new life for the next generation of bird-watchers.

    Amy Sklansky has written evocative poems about planets and stars and rockets and moon landings and satellites. Each poem is supported by additional facts and explanations in the margins. Stacey Schuett brings it all to life with color-soaked skies and beautiful perspectives in her fabulous paintings.  Space is a subject too grand for poetry or prose alone, so this book offers both to help readers truly appreciate our place in space.

    Did you know that dolphins find their dinners by using sound to track down the location of their prey?Did you know that baby dolphins are born tail-first?Did you know that each dolphin has a unique whistle (like human fingerprints) that makes them recognizable to other dolphins?Discover these facts and more in The Truth About Dolphins, a new addition to the popular series that combines raucous amounts of humor with a surprising amount of information on beloved animal friends.

    But there was a time when people hunted the otters almost to extinction. Without sea otters to eat them, an army of hungry sea urchins grew and destroyed entire kelp forests. Fish and other animals that depended on the kelp were lost, too. But when people protected the sea otters with new laws, their numbers began to recover, and so did the kelp forests. Susannah Buhrman-Deever offers a beautifully written account of a trophic cascade, which happens when the removal of a single element affects an entire habitat. Asides that dig deeper are woven throughout Matthew Trueman’s dynamic illustrations, starring a raft of charismatic sea otters. Back matter includes more information about sea otters and kelp forests, including their importance and current status, the effects of the international fur trade on indigenous peoples, and a list of books and websites for readers who wish to continue to explore.

    There are so many different kinds of birds—and those birds build so many different kinds of nests to keep their babies cozy. With playful, bouncy rhyme, Jennifer Ward explores nests large and small, silky and cottony, muddy and twiggy—and all the birds that call them home!

    This page-turner offers 100 heartwarming and hilarious anecdotes, illustrated with full color photos of these intriguing animals. Stories include unlikely animal friends, animal heroes, amazing animal tricks, surprising animal hybrids, wacky truth-is-stranger-than-fiction stories of animal antics, and more. Plus, loads of animals facts, lists, and information boxes add even more fun on every page.