Increíble pero real: Animales extraños (Strange but True: Bizarre Animals)

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!

INTERVENTIONS WITH MINORS - Socio educative action - Most of the time, the irregular behaviour of young people is the outcome of what society has offered to them. This book studies the methodology, the levels of the intervention, preventive measures, assistance and rehabilitative intervention, in the work with families and minors in the network of primary attention. The situations of social risk, the necessities and the problems of minors are exposed making a special mention of the educational ones, and the professional figures that act in this field.

Hay que acostumbrarse a todo en la vida incluso a la eternidad.Erik, El Fantasma de la Ópera Hace cien años, unos obreros descubrieron en los subterráneos de la Ópera Garnier de París una sala elegantemente amueblada. Contenía las composiciones e instrumentos del legendario Fantasma de la Ópera, pertenencias que no tardaron en perderse en anticuarios de la ciudad.Ahora, un siglo después, la joven Christelle debe averiguar cuál es el secreto del violín que llega a sus manos, el por qué de la música esotérica que engendran las cuerdas y cómo puede devolvérselo al dueño original...

Universo is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.