Energía del viento

Defines levers, explains their functions, and suggests simple experiments to demonstrate how they work.

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

In June of 1870, Charles Dickens died before finishing his last novel, The Mystery of Edwin Drood. The ending of that novel would become one of the great literary enigmas of all time. In 2018 the filmmaker Hugo Almagro agrees to write a script about The Mystery of Edwin Drood.

Ideal for young children. Sturdy books that will stand up to wear and tear with full-color illustrations and clear, simple text. Each one has a convenient carry-along handle.

Los agricultores trabajan duro para cultivar la comida que está en su plato. Desde la alimentación de animales de granja bebé hasta el uso de grandes máquinas para recolectar cultivos, los agricultores pasan mucho tiempo con plantas y animales. Este texto enseña a los lectores cómo los agricultores ayudan a su comunidad. Fotos frescas y vibrantes, preguntas de pensamiento crítico y un glosario de fotos ayudan a los lectores a participar y desarrollan habilidades de aprendizaje de no ficción. Farmers work hard to grow the food that is on your plate. From feeding baby farm animals to...

What would happen if a Tyrannosaurus rex and a velociraptor met each other? What if they had a fight? Who do you think would win? Este lector de no-ficción compara y contrasta dos feroces dinosaurios. Los pequeños aprenderán sobre la anatomía, el comportamiento y más de ambos dinosaurios. Este libro está lleno de fotos, gráficos, ilustraciones y datos increíbles.This nonfiction reader compares and contrasts two ferocious dinosaurs. Kids learn about the dinos' anatomies, behaviors, and more. The book is packed with photos, charts, illustrations, and amazing facts.