La alianza de Tanis

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Con un sentido de humor este libro ilustrado para niños y jóvenes cuenta la historia sobre la vida de los soldados romanos en el tiempo del emperador Adriano.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of conditionals. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how conditionals work in the real world. In this book, readers will learn what laws are and what happens if you break them. This nonfiction book is paired with the ...

Desde que una epidemia azotó el planeta, en el mundo quedan dos tipos de personas: los sanos y los infectados; los vivos y los no-muertos. Manhattan ha sido acordonada y el gobierno provisional ha exterminado a casi todos los infectados; la situación parece bajo control. Pero una sorpresa aguarda entre las desiertas calles de la Zona Uno, y Mark Spitz y sus compañeros de la brigada de limpieza están a punto de descubrirla... Revisitando las novelas de zombis y con una vuelta de tuerca más, Colson Whitehead nos ofrece una historia estremecedora que te persigue de forma implacable hasta el ...