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!

Como la primera mujer de la raza negra y con raíces en Asia Meridional que se convierte en vicepresidenta de los Estados Unidos, así como la segunda mujer negra en la historia elegida al Senado de los Estados Unidos, Kamala Harris está abriendo nuevos caminos en su ruta hacia el escenario nacional. Pero, ¿de qué manera alcanzó sus metas? ¿Qué valores e influencias la guiaron e inspiraron sobre la marcha? En esta edición de sus memorias para lectores jóvenes, conocemos cómo su familia y su comunidad influyeron en la vida de la vicepresidenta Harris y vemos qué la llevó a descubrir ...

Algunas piezas denunciaban muy a las claras la existencia de una superchería; otras, en cambio, abrían un interrogante que aún no tiene respuesta satisfactoria. Desde entonces hasta hoy, la cuestión del Leyes ha estado sobre el tapete, apasionando a especialistas y aficionados, y adquiriendo, por momentos, caracteres de escándalo...». Francisco de Aparicio, 1937 «...Pero nuestros morenos casi no nos han dejado ni su recuerdo. Nuestra historia parece complacerse en olvidarlos, en evitarlos». José Luis Lanuza, Morenada.

"Amphibians have some of the most interesting life cycles on Earth. The metamorphosis frogs, toads, salamanders, newts, and caecilians go through has many steps that readers need to understand and remember. This book offers a concise overview of the general amphibian life cycle as well as representative examples of the many species within the animal group. Most importantly, the accessible language is paired with diagrams of the steps of the life cycle to augment readers' understanding of this topic often found in the science curriculum."

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!