Un día de trabajo: Médico de emergencias (All in a Day's Work: ER Doctor)

Do you have what it takes to be an athlete? Readers learn about the hard work and dedication that athletes of all levels go through to be healthy and successful. Along with stunning photos and charts and riveting facts, this Spanish-translated title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources.

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

¿Sabías que las ballenas azules son los animales más grandes de nuestro planeta? ¿O que las nutrias marinas se asean las patas después de cada comida? El mundo está lleno de millones de especies animales, y cada una de ellas es única y especial. Muchas están llamadas a desaparecer. En este libro, Chelsea Clinton les presenta a los pequeños lectores algunos de los animales en peligro de extinción, explicándoles por qué son únicos y especiales y qué clase de peligros corren. No dejes que desaparezcan conduce al lector a lo largo de un día en la vida de rinocerontes, tigres,...

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.