Inmigración (Immigration)

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.

Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

A force is a push, a pull, or a turn. Every force has an equal and opposite force. Forces are always with you! They are all around us. Learn about forces with this Spanish science reader that features easy-to-read text. Nonfiction text features include a glossary, index, and detailed images to facilitate close reading and help students connect back to the text. Aligned to state and national standards, the book also includes a fun and engaging science experiment to develop critical thinking and help students practice what they have learned.

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!

Describes tornadoes, how they form, and the tools scientists use to predict them--in both English and Spanish

Young readers will be inspired by this biography about the first woman to fly solo across the Atlantic. The appealing images, helpful text, and supportive timeline, glossary, table of contents, and index combine to create an engaging experience as readers learn about one of the greatest female pilots of all time. This 6-Pack has been translated into Spanish and includes six copies of this title and a lesson plan.

Mediante la técnica del flash-back el autor nos cuenta dos historias paralelas separadas por miles de años de diferencia pero con un punto en común: las pinturas rupestres de Altamira.

Esta obra tiene como finalidad permitir al lector la fácil identificación de algunas de las plantas nativas o naturalizadas de las Salinas y Perisalinas del Chaco Árido. Se ha tenido en cuenta que la utilizará público culto, docentes, estudiantes, amantes de la naturaleza, productores, etc., que en general no tiene formación botánica. Es por eso que se ha tratado de evitar los términos técnicos, aunque esto no siempre ha sido posible. Asimismo se consideró que los trabajos botánicos mayormente llevan una cantidad de información solo útil para futuras investigaciones en taxonomía ...