El Avestruz

These titles look at many of the animals typically found in zoos, covering such topics as appearance, behavior, and babies. Vivid photographs compare the habitat and diet of each animal, both in the wild and the zoo.

You re growing up and your body is changing. If you re a girl, you re likely experiencing the start of menstruation, your breasts are making themselves known, and you re noticing new hair that you might want to be rid of. If you re a boy, you may be experiencing something strange as you sleep, or sweating a lot and not wanting to shower. This book is a complete guide to the terrible and marvelous world of puberty."

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

Bring history home and meet some of the world's greatest game changers! Get inspired by the true story of a famous scientist who changed our understanding of physics forever. This biography series is for kids who loved Who Was? and are ready for the next level. In 1974, Stephen Hawking shook the world of physics. His theory on black holes went against everything the science community accepted as fact. How did he make such revolutionary discoveries? From a childhood spent building model airplanes to recognition as one of the greatest scientists of his time, Stephen's genius and endless...

Learn about the Earth and the Moon with this engaging Spanish science reader. With easy-to-read text, this book teaches students important scientific concepts and vocabulary including the phases of the Moon, the movement of the Earth around the sun, and the rotation of the Earth. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, bold font, and detailed images to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical thinking skills.