Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

Read Along or Enhanced eBook: Welcome to Canada! From its majestic mountains to its exciting sports, readers are invited to explore what makes Canada so special in this exciting, Spanish-translated nonfiction title! With informational text, fresh vocabulary, and engaging maps, readers will be engaged from beginning to end.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these small dinosaurs face-to-face: Little Lesothosaurus was the length of a house cat! Epidendrosaurus could climb into trees like a squirrel! Liaoceratops had body armor and horns-and was only the size of a collie dog! Plus,...

Remontando el Mississippi, un clásico del vaquero «más rápido que su propia sombra», firmado por la dupla Morris & Goscinny, en una exquisita traducción argentina. Para volver a leer y reír (y sin perderse ningún chiste).

De lo idílico (sin por ello implicar forzosamente lo falso), a lo real crudo, de la alegría a la amargura, pasando por la resignación, el desencanto, la ironía cáustica, pero también la comprensión capaz de anular el maniqueísmo del bueno y del malo. Teniendo en cuenta la condición imprescindible de tema tan universal y constante como es el amor, conforme la propia literatura ejemplifica desde siempre, resulta de veras gratificante también considerar la multiplicidad de perspectivas con la que estos autores contemplan y elaboran una materia literaria cuya importancia radica...