Introducción a Cessna 150/52 y 172

Bienvenidos a una nueva entrega de la colección más exitosa de América. Con el constante avance de la tecnología, la industria aeronáutica ha evolucionado año tras año. Esto ha representado una increíble mejora en las prestaciones de las aeronaves y, adicionalmente, una mejora en los procesos educativos de los pilotos en formación. Pero no todo ha sido para mejor, sino que algunos aspectos se han visto degradados por el enorme avance de la tecnología. El caso más tradicional que se puede encontrar es en el ámbito de la navegación aérea, donde la tecnología ha reemplazado a la...

Some civil rights figures are household names, while others struggle to get their stories told. This biography details the life and activism of Sylvia Mendez, who helped desegregate California schools in the 1940s in the landmark federal case, Mendez v. Westminster. Latino students, scholars of social justice, and anyone who is inspired by underdog stories will find this highly engaging account of change compelling and informative, including its helpful timeline and historical imagery. Students will be engaged and inspired by a story that has gotten its due as more than a mere historical...

The plot of The Empty Region takes the reader from the military camps of holy warriors in Pakistan, to the security corridors of the CIA and the FBI. It’s a fascinating puzzle inhabited by historical characters, including Osama bin Laden and George W. Bush, as well as officials aware of the tragedy´s secrets. Szichman leads us along the terminals where the air pirates of al-Qaida consummated their tragic ritual, makes us travel on the airplanes, turned into guided missiles, and recreates the 102 minutes when the burning towers of the World Trade Center became hell on earth. Although...

Describes how people use their ears to hear the different types of sounds around them and discusses deafness and the ways insects and other animals hear.

With life-like illustrations and simple text, books in this series introduce children to different dinosaurs and the unique characteristics. Children learn the features of each dinosaur, what they ate, and whether they were predator or prey to other dinosaurs. The books also introduce fossils and how they play a role in our knowledge of dinosaurs' existence.