En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

Landsat satellites orbit the Earth to get images. Learn how these images are made using heat. Then, find out how these cutting-edge satellites are helping save the planet! Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in a STEAM field. Discover engineering innovations that solve...

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

Cuarto y último de la nueva edición íntegra, en cuatro volúmenes, de este gran clásico de la historiografía concebido según los cánones del espíritu de la Ilustración. Publicada por vez primera entre 1776 y 1787, esta historia de la decadencia y ruina del Imperio Romano obtuvo el inmediato reconocimiento académico y el favor de los lectores, motivando su continua reedición.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

En la corte cordobesa del califa Al-Haken ii se ha producido un terrible suceso: Sudri, el eunuco favorito del califa, ha aparecido muerto.Todos los indicios apuntan a un joven mozárabe, Rodrigo, como único culpable; sin embargo, el médico Hantal Idrissi y su hijo comenzarán una investigación que destapará traiciones, odios y venganzas. Una novela de intrigas enclavada en el ambiente de la Córdoba califal.