Un día de trabajo de un astrónomo (A Day at Work with an Astronomer)

Qué diversión tiene mamá con su pequeño. Los ejemplos sencillos de la vinculación de las madres con sus hijos ayudan a desarrollar habilidades positivas de crianza y a desarrollar familias fuertes.

Many people know that Benjamin Franklin discovered electricity through lightning, but he was also a great inventor and helped write the Declaration of Independence! Young readers will learn about Franklin's life in this appealing biography that has been translated into Spanish and features plenty of vibrant images, supportive text, "Fun Fact" boxes, and an accommodating timeline, glossary, and index.

What would happen if the Moon disappeared? We would try every possible way to get it back. As in everyday life, this book shows us that the answers to our problems are sometimes so close we just can't see them.

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...