Cobayos

Durante décadas, los toques y chirridos de la guitarra eléctrica han sido algunos de los sonidos que definen la música popular. Pero tuvo que pasar más de un siglo de esfuerzo e innovación antes de que este instrumento fuera eléctrico. For decades, the blasts and howls of the electric guitar have been some of the defining sounds of popular music. But more than a century of effort and innovation had to happen before this instrument went electric. Learn about the master craftspeople who created the guitar as we know it, the inventors who figured out how to send guitar notes through...

Cuarenta almas que nos hablan desde la muerte en primera persona. Todas narran su vida y su muerte, escribiendo su historia en el gran libro de la biblioteca de Demétere, ciudad donde recalan las almas antes de marchar a su siguiente destino: la brillante ciudad de la luz, Sulmina (paradigma del cielo), o la terrible ciudad de Hécate (el infierno).

This Title Explains What An Ecosystem Is And How The Plants And Animals Within An Ecosystem Rely On And Effect Its Existence. Different Types Of Ecosystems Are Described, As Well As The Food Webs Within Them. How Some Changes To An Ecosystem Can Be Good And How Some Harmful Changes Can Destroy Them. Teaches Students What An Important Role They Can Play In Keeping These Intricate Ecosystems Alive.

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.