Momentos divertidos en el reino animal

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.

Un libro para ayudar a los niños a definir y a reconocer los prejuicios. Explica cómo los prejuicios pueden envenenar la mente de alguien y cerrarla antes de conocer de verdad a otra persona.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how debugging works in the real world. In this book, readers will find out why a magnet isn't sticking to a certain surface. This nonfiction title is paired with...

Little tyrannosaurus rex did not have friends because he ate them all. He was lonely in the big forest until he met Mollo, a little mouse, who taught him how to cook.