¿Qué Son Los Proveedores y Consumidores? (What Are Producers and Consumers?)

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).

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

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

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.