La fuerza y el movimiento (Forces and Motion)

Understanding light and color might seem impossible, but if readers already know the colors of the rainbow, they're part of the way there. Including the light spectrum, wavelengths, and other key concepts, this book tackles light and color for those falling behind in class because of their reading skills. The main text is written with these struggling readers in mind, accompanied by full-color photographs and diagrams to aid understanding. An extended glossary introduces and explains all the vocabulary readers need to continue learning about light and color.

For use in schools and libraries only. Say Curtis describes his meeting with Pinkus Aylee, a black soldier, during the Civil War, and their capture by Southern troops. Based on a true story about the author's great-great-grandfather.

La novela que inspiró la película. 1823. Hugh Glass es uno de los tramperos más experimentados y respetados de la frontera en el noroeste de los Estados Unidos, donde enfrenta a diario los peligros de la naturaleza salvaje y de las belicosas tribus indias. Inesperadamente, el ataque de una osa lo deja gravemente herido y ninguno de sus compañeros confía en que sobrevivirá. Cuando los dos hombres encargados de cuidarlo hasta su muerte lo abandonan, él luchará por mantenerse con vida movido por un único deseo: la venganza

Discusses issues that involve dating and premarital sex among young adults and explores the consequences of making bad choices when it comes to promiscuity.

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make...