Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Imagine being lost and stranded in the desert. Would you know what to do to survive? This useful Spanish-translated nonfiction title explains the important skills needed to survive in the desert. With helpful diagrams and images, definitions, tips and instructions, informational text, a bibliography, and a list of other helpful websites, readers can be assured that they will learn about the dangers of heat exhaustion, desert plants that could aid in survival, and other helpful tips in order to survive in an emergency.

Sunny Hathaway tiene un amigo, su perro Flamy, y tres crueles enemigos, sus compañeros de colegio, Hank, Larry y William. Estos lo ridiculizan y humillan a la más mínima oportunidad. Sin embargo, cuando lo obligan a ir al cementerio y a entrar en la tumba de la bruja Jill para probarse su anillo, las cosas cambian.

Introduces The Life Of The This Spanish Explorer Who Searched For The Cities Of Gold, But Only Found Indian Villages.

La agenda escolar permanente de vampiros y terror te ayudará a organizar todos los datos, horarios, controles, etc. que quieras recordar durante el curso escolar, y al mismo tiempo te divertirás con sus escalofriantes historias y sus asombrosos dibujos. I