Germs Are Not for Sharing / Los gérmenes no son para compartir

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...

Grouping and classification are among the first math and science skills that children need to learn. This fun book will challenge children to observe natural creatures to see what makes them the same and different. It presents an interesting way of looking at objects, because the objects may not be exactly the same. For example, birds have two wings, but the wings of different birds may not look similar.

Una incisiva colección de ensayos, donde Jonathan Franzen vuelve con renovado vigor a los temas, tanto humanos como literarios, que le han preocupado durante mucho tiempo. Bien sea narrando su violento encuentro con cazadores furtivos en Chipre, bien sea señalando de forma aguda y conmovedora cómo el abuso de las nuevas tecnologías está erosionando el sentido de la intimidad, Franzen cumple en cada uno de estos textos la promesa implícita de llegar hasta el fondo y no escatimar nada. Así pues, estos ensayos dan fe de una inteligencia madura que se interroga sobre la identidad, el...

Introduces different kinds of light, the properties of light, and how light can create shadows of different shapes and sizes.