Uses text and computer-generated artworks to provide detailed, realistic explorations of a wide range of topics in six broad categories. Includes glossary.

The ultimate guide to the final frontier This alphabetical tour of the universe provides all the history, science, and up-to-the-minute facts needed to explore the skies with authority. Packed with more than 3,000 entries that cover everything from major observatories and space telescopes to biographies of astronomers throughout the ages, it showcases an extraordinary array of newfound wonders, including micro quasars, brown dwarfs, and dark energy,...

Delves into the history of the encyclopedia from Ancient Greece to today and examines what has been lost in the digital age of infinite information.

An illustrated dictionary of approximately 11,000 entries, with special features such as word histories, student exercises, and vocabulary development tools--Provided by publisher.

Junto con la oruga muy hambrienta, los más pequeños viajarán alrededor del mundo, explorando los continentes y descubriendo curiosidades y datos sorprendentes sobre temas diferentes: dónde viven sus animales preferidos, cómo eran los dinosaurios, cómo vivian nuestros ancestros en la antigüedad, cómo crecen las plantas, cómo funciona el cuerpo humano, cómo viaja la luz y el sonido, cuántos planetas hay en nuestro sistema solar... �Todo...