Madrigueras de conejos (Inside Rabbit Burrows)

Es una increible aventura que te transportara al Antiguo Egipto, una de las civilizaciones mas misteriosas que han existido en la Historia. Laila, Alex y Guiomar te ayudaran a descubrir algunos enigmas de ese mundo fabuloso. Quieres ir con ellos ? Te gustaria conocer el poder magico de los antiguos egipcios ?

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

Life on Earth depends on carbon. In fact, about 18.5 percent of a human body's mass is carbon. How carbon is taking in and given off through animals' breathing, the burning of fossil fuels, and more can be shown in the model known as the carbon cycle. Though this concept can be confusing, all readers have a chance to understand this concept through the text and simple diagrams in this book. Both struggling readers and those looking for review can find the most important components and vocabulary of the carbon cycle in low-level, accessible text.

Texas's vast and spectacular landscape has more than 100 national and state parks. From the state's own Grand Canyon, to historic sites and a forest, readers will learn that the state's scenery is much more than the deserts it is so often associated with.