Cada dólar marca la diferencia

Did you know that swimming pools are used to train astronauts? Athletes use swimming pools to train when they're injured, and doctors use them to help patients feel better. Learn how swimming pools and aquatic therapy help all kinds of people! 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 ...

Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground below us. 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...

The morning of August 24, AD 79, seemed like any other in the Roman city of Pompeii. So no one was prepared when the nearby volcano Mount Vesuvius suddenly erupted, spouting ash that buried the city and its inhabitants. More than 1,700 years later, in 1748, explorers rediscovered the port city with intact buildings and beautiful mosaics. This easy-to-read account is gripping and includes photos of the ruins.

¿Cómo te sientes hoy? Aprender diferentes sentimientos es fácil y divertido en el libro A Veces me siento/Sometimes I Feel. (How do you feel today? Learning about different kinds of feelings is easy and fun in A Veces Me Siento). Young readers will realize that all the different feelings they experience throughout the day are common! From feeling happy to sad, to silly or mad, cute illustrations demonstrate different feelings in an appropriate way for young children. Simple sentences will have young learners reading along in no time. Learn simple English words and phrases with the...

Condensada y selectiva, esta historia de la filosofía moral permite al lector situar los textos de ética en una perspectiva histórica, desde la generación homérica hasta los debates anglosajones contemporáneos. De este modo, el libro se ocupa de la mayoría de tipos y escuelas de la ética occidental: de los sofistas, de Sócrates y Platón, a la moderna filosofía moral, pasando por la ética de Aristóteles y la ética griega en general; el cristianismo, Lutero, Maquiavelo, Hobbes y Spinoza; las ideas británicas y francesas del siglo XVIII; Kant, Hegel y Marx; Kierkegaard y...