Estás bien cuando eres tú

Si quieres descubrir algunas maravillas sobre nuestro universo y los planetas, podrás leer los 101 récords y descubrir los datos más llamativos de las estrellas, las galaxias, las nebulosas, los planetas, los satélites y las conquistas espaciales, junto con los personajes y la tecnología que lo hicieron posible. Ilustrada a color con espectaculares imágenes, cada ficha te desvelará todo lo que necesitas conocer sobre el universo.

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

The era of Anglo-American colonization, while brief, had a great impact on the development of Texas and the United States. Readers will discover what drew Anglo-American settlers to Texas, and what caused hostilities to rise between them and the Mexican Government. Frequent sidebars introduce readers to the key figures of this era.

Presents instructions for a collection of science experiments that demonstrate the principles of electricity and magnetism, including information on batteries, currents, static electricity, compasses, electromagnets, and more.