Mira adentro: Tu corazón y tus pulmones (Look Inside: Your Heart and Lungs) 6-Pack

Discover how the heart and lungs work together to keep the blood flowing and the body breathing in this book that provides pictures of real hearts and lungs and accompanying diagrams. Readers will learn about circulation and breathing as well as related vocabulary.

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.

Memoria Infantiles y sus Revoltijos es una coleccin de memorias imprimidas en la mente de un hombre, en cual a mayor edad, las buelve a vivir de nuevo para satisfacser la nesesidaded de rencontrar su identidada. En este relato de su mente soadora, le da nuevamente vida a un pasada, en una forma culturalistica. Cuando las nuves vailavan con la luna, su mente nublada le dava nuevamene armonia a los recuerdos infantiles de su niez. Por segunda vez vivia su nies y por segunda vez no pudo dejar su mente que coninuara inorando la probresa de la inocencia. Despues de tantas noches de desbelo, el sol ...

Get to know two pen pals who live in different parts of the world. It is fun for them to write back and forth. They do different things at different times of the day and year. They tell each other about the events and traditions that take place during each month of the year. Do you know anyone who lives far away? What do you think they are doing right now?

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...