Hoja En Blanco

Es el verano de 1990 y Lucas Sastre, recién acabada la carrera de Arqueología y con pocas perspectivas laborales, recibe una misteriosa oferta de empleo. Supera pruebas psicológicas, de agudeza visual... Pronto descubre quién está detrás: el CESID, que quiere reclutarlo para su delegación en El Cairo. Una vez allí, bajo las órdenes de Julio Flores-Westenfarg, un agente bregado en mil batallas, Lucas se ve involucrado, casi a su pesar, en una operación secreta del gobierno español que tiene como objetivo conseguir acceso sin límites a los pozos de petróleo de un pequeño país...

Learn about the history of the Olympic Summer Games! This classroom resource helps students learn about how time and measurement relate to hosting the Olympics. Included in this nonfiction text are mathematical graphs and charts to help students develop content-area literacy in mathematics. This Spanish book includes practice problems, a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

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...

Vivid photographs and bilingual text explain each food group, revealing how each group is important for good health, how to make healthy choices, and fun things children can do to stay in shape.