Darwin y el gran cuento de los animales

La construcciOn de las pirAmides de Egipto es uno de los sucesos mAs importantes y mAs estudiados de la historia. AsI que nos metemos en la piel del FaraOn Keops y descubrimos sus sueNos de grandeza. En una civilizaciOn en sus albores, con pocos recursos tEcnicos y muchos recursos econOmicos y humanos.

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.

Discusses issues that involve dating and premarital sex among young adults and explores the consequences of making bad choices when it comes to promiscuity.

A young boy tries to help his younger brother, whose mind and body has become occupied by another boy, a young soldier in Saddam Hussein's army during the Persian Gulf War.