Arthur Conan Doyle

Did you know that a piano is both a keyboard instrument and a string instrument? A piano has more strings than keys. Discover more intriguing facts in Pianos, a Musical Instruments book.

It is July 4 and you are going to see the fireworks. But do you know why? It's Independence Day! Turn the pages of this book to find out why our country had to win its freedom, what happened on July 4, 1776 that makes this day special, why we watch fireworks on July 4. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Introducción, traducción y notas de A. Melero Bellido. Revisada por A. A. González Terriza y R. Herrera Montero.

It doesn't take a lot to help the animals around us. Taking action can be as simple as picking up trash or hanging birdfeeders around the neighborhood. Kids learn this and more about what they can do to help in 10 Things I Can Do to Protect Animals. Now in Spanish.