National Geographic Readers: Los Gatos vs. Los Perros (Cats vs. Dogs)

Estaa lleno de imagenes bellas e interesantes que les enseanan a los nianos todo sobre estos animales asombrosos.

Inspired by the #1 New York Times bestseller She Persistedby Chelsea Clinton and Alexandra Boiger comes a chapter book series about women who stood up, spoke up and rose up against the odds! Sonia Sotomayor is the first Latina Supreme Court Justice in the history of the United States, but her road there wasn't easy. She overcame many challenges along the way, including a diagnosis of diabetes at age seven. But she didn't let that stop her from achieving her dream and inspiring children all over the world to work hard and believe in themselves. In this chapter book biography by award-winning...

Con un sentido de humor este libro ilustrado para niños y jóvenes cuenta la historia sobre la vida de los soldados romanos en el tiempo del emperador Adriano.

La historia de la ciencia en la Edad Media es, hasta el siglo X, la del mantenimiento precario de los escasos saberes de la Antigüedad clásica que habían sobrevivido en occidente. A partir de entonces, la traducción del árabe de las obras de autores griegos fue la tarea fundamental. En el siglo XIII aparecen los primeros matemáticos medievales realmente creadores - Fibonacci, Jordano Nemorario y Nicolás de Oresme, entre otros. Al estudio de la obra de estos científicos y la de sus precursores está dedicado este libro.

Read Along or Enhanced eBook: Anne Frank's diary has become one of the most widely read books in the world. Readers will learn about Anne as she went into hiding from the Nazi Party in this Spanish-translated nonfiction title. Through vibrant images, informational text, timelines, and a glossary of terms, readers will discover the hardships Anne and her family went through in order to avoid being sent to a concentration camp. This inspiring biography enables children to look up to Anne and find hope in every situation, just as she did.