Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

La búsqueda de un tesoro perdido en el fondo marino puede convertirse en toda una epopeya, incluso para los marineros más intrépidos, que deberán sortear todo tipo de monstruos y peligros en las profundidades del océano. Un nuevo libro con desplegables de la colección «Aventura sorpresa».

Provides a simple description of how astronauts aboard a space shuttle perform everyday activities such as eating, drinking, and sleeping.

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.

Illustrations with transparent overlays and brief text introduce children to animals all over the world.