Books in Nature's Mysteries series

Whether they glimmer to attract prey, to ward off predators, or for another reason entirely, glowing organisms are some of the most mesmerizing wonders of nature. This stunning volume introduces elementary readers to bioluminescence and biofluorescence, using accessible language to explain how and why various organisms make their own light. Vibrant images allow readers to journey through woods haunted by fox fire, soar high with fireflies that punctuate a summer nights sky, and dive deep to view the myriad creatures that illuminate the oceans depths. Boxed text encourages critical thinking about Earths incredible biodiversity and the behaviors and chemistry of living things.

The sudden arrival of a "harbor wave" in a crowded seaport has terrified coastal residents for centuries. Tsunamis are among the deadliest natural catastrophes, in some cases killing thousands of people in a matter of minutes. Readers will learn how tsunamis develop, what kinds of damage they cause, and how scientists are using warning systems to give people more time to flee disaster. Some of the deadliest tsunamis in history, including the 2004 Indian Ocean tsunami, are also discussed.

Accessible facts about lightning science are presented in this volume in a straightforward narrative and dramatic photographs. Basic information about lightning, thunder, and thunderstorms is presented clearly, with respect for dangerous phenomena. Readers understand how lightning happens, how it develops, and what its effects are. Sidebars pose thoughtful questions and statements for stimulating discussion and finding answers. This easy-to-follow discussion of the science of lightning supports Common Core Science Standards, the importance of recording observations, and connecting abstract knowledge to practical actions.

Tornadoes, also called twisters, have terrified people throughout history. Tornado winds are the strongest on Earth and can reach speeds of 300 miles or 500 kilometers per hour. In this captivating volume, students learn how, where, and when tornadoes are likely to form, and the damage they can inflict. They discover the variety of tools that scientists use to measure and predict tornadoes, and the essential role of storm spotters. This resource also explains to readers how to stay safe before, during, and after a twister hits. Special sidebars define key vocabulary words or pose questions to spur critical thinking.