¿Qué Es Una Familia?

Spanish Language Edition: The (Not) Sleepy Shark Amelia the shark is tired but she's not ready to sleep. In this fun bedtime book, a silly shark explores the way other sea animals get ready for bed until she's finally ready to say goodnight. From the author and illustrator of The Hungry Shark. In this Xist Kids Spanish Edition, Spanish text brings the story to new audiences. This book is in Spanish only. There is no English translation.

Learn all about the process of photosynthesis with this fascinating science reader! This nonfiction Spanish book teaches students about photosynthesis and introduces them to important scientific concepts and terminology. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity provides a real-world learning experience that supports STEM instruction. Keep students reading with this fascinating Spanish book!

Cuentos, poesias, chistes y 350 adivinanzas (algunas tradicionales y otras inventadas especialmente para este trabajo), constituyen una nueva propuesta que invita a seguir jugando con las palabras.Para todos los gustos y edades, este libro rescata y renueva la tradicion de las adivinanzas. De calles, de nombres y animales, de frutas y verduras, un verdadero maraton para adivinadores.

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...

Se presenta una cuidada edición de uno de los manuscritos más antiguos sobre el arte de la navegación. Se trata del Ms. 46 de la Biblioteca General Histórica de la Universidad de Salamanca, cuya reproducción facsimilar se incluye a todo color, precedida de una detallada introducción, desdoblada en la doble vertiente histórica-astronómica, así como el estudio sobre las mismas, debidamente anotado por los autores, especialistas de referencia en sus respectivas disciplinas. Se completa con la transcripción, que facilita la comprensión, al corregir algunos aspectos erróneos en...