Los Descendientes. Rebelión en la Isla de los Perdidos

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Essays by well-known climbers accompany a range of superb color landscape photographs that echo the great traditions of the Ansel Adams and the Sierra Club large format books of the 1970s.

La visión, la audición, el olfato, el gusto, el tacto.. ¿los conocerán todos? Con esta recopilación de poemas y rimas infantiles, los pequeños y pequeñas lectoras podrán descubrir de una forma divertida y educativa los cinco sentidos mientras disfrutan de las ilustraciones realizadas por Ana Acosta Velasquez.

Usa las matemáticas: Agrúpalo (Use Math: Group It) builds critical literacy skills with this exciting Spanish-translated nonfiction reader. Engage students with fascinating content that will keep them enthralled from the first page to the last. Focusing on grouping, children will look at similarities to figure out which items should be grouped together. This informational text features simple phrases, exact text-to-image relationships, vivid photographs, and large font to encourage students to make connections on what is the same. Aligned with state standards, Usa las matemáticas:...