The ancient Arabian Peninsula city of Ubar vanishes, seemingly without trace. Find out how old maps and modern space shuttles help solve the mystery. Sir John Franklin's 1845 expedition to find the Northwest Passage is never heard from again. Find out how spectroscopy points to some probable explanations. Case Closed? examines these and six other mysteries from ancient and modern times. Accompanied by photos, maps, diagrams and illustrations, this book reveals how modern science sheds new light on people, vessels and entire civilizations throughout history that simply vanished. In some cases, the mystery has been solved. In other cases, readers can examine the latest evidence and decide for themselves.

    "A good introduction to the subject."––BL. 1994 "Pick of the Lists" (ABA)Outstanding Science Trade Books for Children 1995 (NSTA/CBC)

    There are animals that can use an arsenal of deadly weapons--teeth, claws, stinging spines, powerful pincers, or scary suckers--to fight, hunt, or defend themselves. There are natural disasters--from towering tsunamis to massive volcanic eruptions--that can destroy whole cities in the blink of an eye. With 100 DEADLIEST THINGS ON THE PLANET, young readers will learn all about these ferocious animals, deadly disasters, and much more! Along with all of the interesting facts, 100 DEADLIEST THINGS ON THE PLANET includes side panels, a "deadly factor" rating, and photos throughout to help enhance the level of fright.

    Over 7,000 years ago Native Americans settled on the Nashua River, a beautiful and leafy valley. But the industrialization of nearby areas would lead to the deterioration of natural habitats. Each double spread examines brief periods of time when the river and surrounding areas teemed with wildlife. Lynne Cherry’s contrasting illustrations of the lush valley and the eventual polluted river deliver an astonishing look at our dramatic need for conservation efforts. This pictorial history of the river, edging towards a hopeful scene of modern-day descendants of both Native Americans and European settlers who come together to combat pollution and restore the beauty of the river, is an intelligent tale that shows young readers how they can do their part in taking care of the world around them, one river at a time.

    Fans of the hit PBS show The Cat in the Hat Knows a Lot About That! will be delighted to see the Cat knows as much about history and civic responsibility as he does about science!

    Long ago, people grew afraid when each day had fewer hours of sunshine than the day before. Over time, they realized that one day each year the sun started moving toward them again. In lyrical prose and cozy illustrations, this book explains what the winter solstice is and how it has been observed by various cultures throughout history. Many contemporary holiday traditions were borrowed from ancient solstice celebrations. Simple science activities, ideas for celebrating the day in school and at home, and a further-reading list are included. Illustrated by Jesse Reisch.

    And illustrator Priscilla Lamont's funny, friendly paintings make this a garden everyone will want to explore.Kids will eat up this wonderful book of backyard science—and perhaps they'll even be inspired to eat their vegetables!"A wonderfully informative and enjoyable journey through one family’s backyard garden, from spring planting to fall harvest. . . . this is bound to spark some backyard explorations." —Kirkus, Starred ReviewFrom the Hardcover edition.

    With the help of a few of his fans, Groundhog is ready to tell everything about himself, from how loud he can whistle (loud), to how fast he can run (not fast), to how many things he uses his teeth for (a lot). Groundhog may be full of himself, but chances are good that, by the end of this book, you'll agree he's pretty wonderful! From the illustrator of the Junie B. Jones books and the author of the Melvil & Dewey books comes a funny, fact-filled look at what happens when one very proud groundhog speaks out.

    A picture book biography of scientist Wangari Maathai, the first African womanand first environmentalistto win a Nobel Peace Prize (in 2004), for her work planting trees in her native Kenya.

    Describing various examples, the text provides an intriguing look at turtles, at the ecosystems that support their survival, and at the efforts of some people to save them. At the end of the book, the author offers readers a list of things they can do to help protect these special creatures in their own communities.

    . . for better or for worse. Once you begin to look at world history through fly-specked glasses, you begin to see the mark of these minute life forms at every turn. Beneficial bugs have built empires. Bad bugs have toppled them. Bugged is not your everyday history book. From the author and illustrator team behind kid-favorite Poop Happened! A History of the World from the Bottom Up, this combination of world history, social history, natural science, epidemiology, public health, conservation, and microbiology is told with fun and informative graphics and in an irreverent voice, making this one fun-to-read book.

    Besides providing homes for a diversity of species, this spectacular forest is also vitally important to the planet: its trees clean our air, its wetlands clean our water and its existence plays an important role in slowing global climate change. In this beautifully written book, award-winning author L. E. Carmichael explores this special wilderness on a tour of the forest throughout the four seasons, from one country to another. Evocative watercolor and collage artwork by award-winning illustrator Josée Bisaillon provides a rare glimpse of one of the world's most magnificent places. With excellent STEM applications in earth science and life science, this enjoyable book aims to foster environmental awareness of and appreciation for this crucial forest and its interconnections with the entire planet. In a unique approach, the text features a lyrical fictional narrative describing the wildlife in a specific part of the forest, paired with informational sidebars to provide further understanding and context. Also included are a world map of the forest, infographics on the water cycle and the carbon cycle, a glossary, resources for further reading, author's sources and an index. This book has been reviewed by experts and was written in consultation with Indigenous peoples who live in the boreal forest region.

    Award-winning author Gail Gibbons also relates the special role pumpkins played in the first Thanksgiving, the history behind carving pumpkins into jack'o'lanterns, and how pumpkins are still part of our celebrations today. The book features bold, clearly-labeled illustrations, directions for drying seeds, and even how to carve funny or scary faces into your pumpkin (with an adult's help), along with a fascinating section on pumpkin facts and lore. Perfect for aspiring farmers and kids who can't wait for Halloween!

    So they decided they wouldn't just rebuild the same old thing; this time, they would build a town that could not only survive another storm, but one that was built in an environmentally sustainable way. Told from the point of view of a child whose family rebuilt after the storm, this companion to Energy Island is the inspiring story of the difference one community can make--and it includes plenty of rebuilding scenes and details for construction lovers, too!

    From dazzling blue lapis lazuli to volcanic snowflake obsidian, an incredible variety of rocks are showcased in all their splendor. Poetic in voice and elegant in design, this book introduces an array of facts, making it equally perfect for classroom sharing and family reading.