Trayectoria de choque: Los asteroides y la Tierra (Collision Course: Asteroids and Earth)

Explains the idea of taking turns and emphasizes how important taking turns is to being fair and being a good friend.

Describes the physical characteristics, habitats, life cycle, and behavior of different kinds of reptiles, including alligators, turtles, snakes, and lizards.

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.

De todos los libros escritos por Lygia Bojunga, quizá el que ahora tienes en tus manos sea el más personal. La autora nos cuenta en primera persona cuál ha sido y es su relación con el libro, "compañero, refugio y comida".