La naturaleza de la materia (The Nature of Matter)

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

In this biographical book, young readers will learn about the brave life of Harriet Tubman. Readers will discover how Tubman bravely escaped from her life as a slave to cross the Mason-Dixon line into freedom and how she helped hundreds of other slaves into freedom through the Underground Railroad with the help of abolitionists. The vivid images, stunning facts, and supportive text work in conjunction with the helpful glossary, index, and timeline of Tubman's life to give readers an engaging experience as they move from cover to cover. This book has been translated into Spanish.

Read Along or Enhanced eBook: Discover the world of mammals in this delightful nonfiction title! Readers will learn all about different mammals--from primates to marsupials, and rabbits to whales, even omnivores and herbivores. Featuring vivid photos and charts, clear text, and stimulating facts, this Spanish-translated book will have children eager to learn all they can about mammals!

This starter volume uses everyday examples such as a baseball and a beach ball to demonstrate the contrast between hard and soft objects.

Suzy Lee vuelve a ofrecernos la posibilidad de ver la vida a través de los ojos de una niña. Si en La Ola y Espejo era la curiosidad la que daba paso a una pequeña aventura, en El pájaro negro sucede precisamente lo contrario: la protagonista se enfrenta al conflicto y a la soledad, y encuentra en el ensueño la evasión perfecta que le permite reencontrarse consigo misma. Un pájaro negro, enorme e inesperado, se convertirá en su compañero de viaje y en el confidente que tanto necesita para sentirse segura de nuevo. El trazo fresco y vigoroso al que nos tiene acostumbrados la autora...

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.

Winter, spring, summer, and fall — what causes them? Let's explore Earth's four seasons to find out! The Mi Mundo (My World) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.