Enciclopedia de Los Dinosaurios y Otros Animales Prehistoricos

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.

This book introduces readers to the first inhabitants of the Wild West. Readers will learn about Native American struggles over land and the historical and heartbreaking Trail of Tears. Through rich text and historic photographs, readers will learn about how life changed for Native Americans when white settlers started moving west. Engaging text explains important people and events, including the Great Sioux War of 1876 and Crazy Horse. "Truth or Myth?" fact boxes shed light on the real experiences of Native Americans while sidebars provide additional opportunities for readers to deepen their ...

Una col·lecció de llibres amb trencaclosques i un joguet mecànic. La granja, el mar, el jardí i la jungla són escenaris que amaguen una pila d'animals; els protagonistes d'aquests llibres estan encuriosits per descobrir-los. Per fer el camí tantes vegades com calgui.

Everything has a place. Things last longer when we take care of them. Showing respect, responsibility, and stewardship are social skills that even young children can relate to—because they have things they value. In both English and Spanish, this book encourages children to pick up after themselves, put things back where they belong, and ask permission to use things that don't belong to them. It also teaches simple environmental awareness: respecting and taking care of the earth. Includes a special section for adults with discussion questions, games, responsibility role plays, and tips on...