Universo

Insectos is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

¡Stephen Hawking te transportará a otra galaxia! Seguro que alguna vez te has preguntado si hay extraterrestres viviendo en otros planetas, o si algún día podremos viajar en el tiempo, o por qué hay unos agujeros inmensos que además de ser negros pueden destruir... ¡una galaxia entera! Ha llegado la hora de aclarar todas estas dudas y si es de la mano del científico más famoso de la historia, ¡mucho mejor!

Introduces the life and times of Underground Railroad and anti-slavery leader Harriet Tubman and explains her place in American history.

Groups of American Indians had been living in the Texas region for thousands of years when American settlers decided to expand westward. This captivating book has been translated into Spanish and explores the history of American Indians in Texas and how each group found different ways to live in the region they inhabited. Readers will learn about a variety of tribes, including Karankawa tribe, Jumano, Caddo, Lipan Apache, and Shoshone and discover how they struggled to survive European colonization, the Indian Removal Act, and American expansion. Other topics include the Dawes Act, Indian...

Sofía and her friends accuse someone of theft based on his appearance, but when the truth comes out, they learn a lesson about passing judgment based on superficial traits.