Experimentos para todas las edades

This book introduces children to fascinating figures throughout history. They include Ramses II, Moctezuma, Nostradamus, Albert Einstein, and Stephen Hawking.

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.

GRADES K–2: This Spanish title introduces early elementary students to some of the ways police officers help our communities. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. WHY COMMUNITY HELPERS: This collection introduces important information with kid-friendly language and engages with vivid photos and real examples. BUILD A LIBRARY: Collect every title from the collection to stock your home or classroom library. Reading together is a great way to bond while fostering communication and a...

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.