Los castillos de Trajano

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...

The 20th century saw many new inventions. Changes came fast and made life easier. Cars, planes, TVs, and cell phones were all invented in the 1900s. What other important things were invented during this time? From electricity to emoji, this Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect back to the text as they develop their higher-order thinking skills. Check It Out! ...

Learn how scientists channel energy from the sun to power awesome innovations! Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds 1st grade students’ early literacy skills.

Camile, Deirdre, Edith y Leonor son las protagonistas de la saga rom�ntica ambientada en la �poca Victoriana Las feas tambi�n los enamoran, cuatro historias que demuestran que el amor se rige por su propia l�gica. En la era victoriana Camile, Deirdre, Edith y Leonor, unas protagonistas f�sicamente imperfectas, son capaces de sobreponerse a los prejuicios de la sociedad, de cuyos est�ndares de belleza est�n alejadas. Como cualquier mujer, sienten, aman y sufren, pero para alcanzar la felicidad deber�n vencer obst�culos como la terquedad, el resentimiento o las inseguridades,...