Viajes a caballo

Read about fall activities and learn about the cycle of seasons in this Spanish-language edition. Full-color photographs and a photo glossary make this a great introduction to nonfiction reading for children.

Alejo es un conejo y Catalina es una golondrina. Juegan al veoveo. Alejo, el conejo, se lo pone un poquito difícil a su amiga Catalina, la golondrina, ya que el animal que le propone adivinar es muy especial: no es grande, no vuela, no le gusta nadar, no vive en un árbol... ¿Quién será? A partir de 5 años

Provides information on the history, geography, society, industries, transportation, environment, and culture of Argentina, Chile, Paraguay, and Uruguay.

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...