Por qué se extinguen las plantas

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.

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.

"Descubre los sorprendentes secretos de mundo animal. Bienvenido a la Enciclopedia del mundo animal! Este libro, escrito en un estilo sencillo y directo, esta repleto de interesantes ilustraciones y esplendidas fotografias a todo color de los increibles animales que conviven con nosotros en la Tierra. Explora pagina por pagina el asombroso mundo animal, desde el insecto mas diminuto hasta las especies mas grandes que han existido, y deja volar tu imaginacion. Esta bonita edicion ilustrada se divide en cinco capitulos principales, redactados por expertos en un estilo claro y sencillo:...

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.