La naturaleza de la materia (The Nature of Matter)

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.

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.

Introduce students to immigration in America in the 1800s, and how it affected the United States. With this Spanish-translated book, readers will discover topics such as Ellis Island, Angel Island, and assimilation. Primary source images, fascinating facts, a glossary, and other features keep students engaged and help them better understand the social studies content.

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.

Este libro es sobre Gene Stratton Porter , una autora femenina Hoosier y naturalista. ¡Cuando falleció a la edad de 61 en 1924 más de 500 millones de copias de sus libros estaban en circulación en solamente América! ´Reyna del Limberlost: La Historia de Gene Stratton-Porter ´ es un texto bello y completo escrito en color para los jóvenes y los jóvenes de corazón. ¨ ¡La Reyna esta aquí! ¡Es nuestra amiga, Gene!¨ canta el petirrojo Andrew. Jessica la Arrendajo Azul dice, ¨ ¡Jay! ¡Jay! ¡Ella es tan bella como el amanecer!¨ Mandi la patita hace, ¨ ¡Cua! ¡Cua! ¡Ella es...

The unsinkable luxury liner known as the Titanic may have sunk on its first transatlantic voyage in 1912, but people remain riveted to its storied legend. The collision with the iceberg in the North Atlantic was not the only mistake that was made that day. In this spellbinding volume, readers will learn about the passengers and crew aboard the doomed ship and what really happened that tragic night. Historical photographs will transport them back to the glamorous era, while the narrative paints an absorbing picture of the Titanic's sad fate.

The author/poet imagines all of the things a child can do, and then speculates on the many vocations the child has the option of choosing.

This illustrated book teaches children everything they need to know about taking care of kittens from picking one out to what to do when they get sick.