Inmigración (Immigration)

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.

What is matter? Anything that takes up space is matter. Matter can be a water, liquid, or gas. These are the states of matter. Learn about matter 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.

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

"Simple text and color photographs describe the units and tools used to measure time--in both English and Spanish"--

Fue amor a primera vista. Un relámpago que me reveló sentimientos nuevos y palpitantes, como esa luz que sólo había leído en libros de poesía. Sin darme cuenta, poco a poco entré en un laberinto de emociones que me perdió en ella y me enfrentó conmigo. Fueron días interminables en los que aprendí a nombrar mi deseo y mi frustración. Tantas derrotas. Comencé a escribir. Y todo, absolutamente todo esfuerzo por amar y ser amado me parecía inútil. —R. N.

En Alepo, una de las muchas ciudades sirias destrozadas por el conflicto que ha azotado a ese país por años, un hombre se dedica a rescatar a las mascotas que han perdido a sus dueños. Mohammad Alla Aljaleel era conductor de ambulancia. En vez de huir de la ciudad como tantos otros decidió quedarse para ayudar a los heridos por la guerra civil, y pronto se dio cuenta de que también había muchos animales que necesitaban auxilio. Así, Mohammad y un equipo de hombres construyeron el Santuario Ernesto para los Gatos Sirios, que con ayuda de donaciones provenientes de todo el mundo da...