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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!

How do architects and contractors use math and geometry to help build a house? Readers will find out in this engaging, Spanish-translated nonfiction book that features bright images and charts, informational text, and intriguing facts that will familiarize children with construction, construction equipment and materials, and blueprints. This 6-Pack includes six copies of this title and a lesson plan.

A little wooly teddy bear, a long journey to the ends of the earth, and magical complicity between words and images, this story reveals the great heart of Señor M.

"... se les habían subido los humos y se creían los reyes del mambo, violando viudas de trabajadores y robando todo lo que olía a republicano..." "... yo ya estaba un poco cansado de oír siempre lo de rojillo, me salieron hasta canas del miedo que pasé, una granada que cayó cerca de mi trinchera dejó sin las dos piernas a un pobre muchacho de mi quinta, el teniente que lo vio le descerrajó dos tiros en el acto para que no sufriera..."