Viaje al centro del Verne desconocido

Get On A Covered Wagon And Explore Everything About Pioneers With This Book. From What They Ate, Wore, Who They Encountered And Where They Traveled. Text Boxes Filled With Pioneer Facts Add Additional Information On The Pioneers Difficult Journeys To Unknown Lands.

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

Carol ha cumplido 18 años. ¡Felicidades Carol, ya eres mayor de edad! Carol se fija en un cartel en el que un partido político pide el voto a los ciudadanos. De pronto, cae en la cuenta de que ella ya puede votar ¡pero no sabe muy bien qué debe hacer! Si crees que la decisión de votar o no votar, requiere preparación previa, ¡este es tu libro! En él encontrarás información objetiva, sencilla y didáctica, que puede ayudarte a resolver buena parte de tus dudas. Carol es consciente del esfuerzo que le va a suponer tomar su decisión, pero tiene claro que antes se informará,...

A 2014 survey by the Substance Abuse and Mental Health Services Administration showed that 8.7 million youths ages twelve to twenty reported drinking alcohol beyond “just a few sips” in the previous month. Those who start drinking before age fifteen are five times more likely to become dependent on alcohol than those who begin at twenty-one. This resource shows young people how to help a friend who is abusing alcohol. It arms them with facts about alcohol, how it affects the teen mind and body, how to look for signs of a problem, and how to bring others on board to help.