I drive a bulldozer

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make African myths and legends so compelling. Fully translated Spanish text.

Escrito especialmente para los niños pequeños, ¡estas historias clásicas del Viejo Testamento introducen a los niños a la Biblia de una manera divertida! Cada historia cautivante enfatiza una lección para que los padres y los niños puedan hablar sobre las aplicaciones en la vida. Texto fácil de entender, verdades simples y atractivas ilustraciones harán que esta colección sea el favorito de la familia. Los doce relatos que se incluyen son: Dios Me Hizo, Adán y Eva, La Historia de Noé, El Arco Iris Hermoso de Dios, Padre Abraham, El Mar Rojo, Josué Peleo la Batalla de Jericó, La...

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.