Inundaciones, represas y diques

Beginning readers will be captivated by the creatures they meet in this Spanish translation of Prehistoric Creatures. The simple text describes ancient animals that swam the seas, soared through the skies, and roamed the Earth long before people existed. Each book describes a group of dinosaurs that shared one or two fascinating features. Dazzling illustrations help bring these amazing creatures to life!

Dentro llevas un tesoro, pero tienes que descubrirlo. Las frases cortas de este libro pretenden hacerte reflexionar sobre tu vida: tus reacciones, tus impulsos, tu control o tu falta de control, tus aspiraciones y fantasías... Es importante que sepas adónde quieres ir, en qué quieres gastar tu vida. No mires fuera. Mira en tu interior. Acéptate como eres y, con un poco de humor, lucha por mejorar. Tienes una vida que solo tú puedes vivir. Pero si quieres ser realmente tú mismo, solo hay un modo de entrar, solo hay un puente: has de olvidarte de ti. Solo serás realmente feliz si llenas...

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...

Nature is not always kind. Natural disasters like earthquakes and storms can wipe out cities. Entire cultures and their histories are at risk of being lost. When disaster strikes, some people work to save cultural items. They preserve culture for the future! Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for...

Police officers work hard to keep people safe, and they're well-known helpers in our communities. Readers explore the basic question of what police officers do at work. Along the way, they learn fun facts about laws, police cars, and even police dogs! This career is popular among young readers and a staple in curricula geared toward early learners. Detailed photographs of police officers on the job were chosen to align with the accessible text, allowing readers to strengthen their reading comprehension skills. Vocabulary development is also aided by a picture glossary, featuring clear...