Silencio -Z

Encourage readers to discover which foods are healthy for them and how to make the best food choices with this Spanish-translated nonfiction title. Featuring helpful charts and diagrams, interesting facts, informational text, and vibrant, detailed photos, readers are introduced to important concepts such as main food groups, proteins, carbohydrates, fiber, the recommended daily amounts, food allergies, and health concerns. With supportive and helpful language, readers are encouraged to make healthy eating choices to help keep them active, energetic, and strong. This 6-Pack includes six copies ...

Venerado y vilipendiado a un tiempo, Lobachevski se cierne imponente sobre la matemática del siglo XIX. Al igual que sucede a la mayoría de los mitos, el Lobachevski real está oculto por capas de negligencia y desconocimiento. Su fantástica obra, argumentaban muchos, no era otra cosa que herejía matemática, una senda falsa. Lobachevski es una personalidad abrumadora, un soñador empedernido, un hacedor de mundos imposibles pero reales. Lobachevski es, para muchos, una persona desconocida. Este libro cuenta la historia de un hombre sencillo, pero sagaz, obstinado y profundo desde el...

Alucina con este libro donde gigantosaurus, velociraptores,braquiosaurus, diplodocus, triceratops y muchos dinosaurios más cobran vida bajo las mágicas lentes en tres dimensiones. Las detalladas ilustraciones, información objetiva y datos curiosos, unidos al novedoso visor 3D, te invitan a explorar, con todo lujo de detalle, un mundo natural lleno de criaturas fascinantes. Una colección entretenida y educativa para toda la familia.

Electricity affects every part of our lives, but we don't always think about it. We turn the lights on every day without wondering how the electricity gets there. Electricians are the reason we don't always have to worry that the lights are going to stop working and the people we can help if they do. Electricians don't just have to use their intelligence, they also have to be good with their hands. They have to be able to work with many different people and know what to do in case of an electrical emergency. Electricians keep our world running. Instructive, colorful photographs and diagrams...