Viaje dentro del cuerpo humano (A Trip Through the Human Body)

Coders are one of the reasons our computers, tablets, and smartphones can do things we couldn't have even imagined just a few years ago. It's no surprise that coders are in high demand right now and that isn't likely to slow down. Readers will learn about the basics of coding and how to turn their creative ideas into reality on the computer screen. They'll also understand why coding will become even more important as technology continues to grow and change. Colorful photographs showing the roles and education of a coder provide readers with an easy way to envision themselves in this...

November 1940. A circus parade walks through the streets of Warsaw, waving a flag and singing. They are 160 Jewish children, forced by the Nazis to leave their beloved orphanage. It's a sad occasion, but led by Doctor Korczak, their inspirational director, the children are defiantly joyful. Their new home is in the ghetto, a prison for Jews. Two years later they board the train that will carry them away to the death camps. Offered his freedom, Doctor Korczak refuses to abandon the children and proudly joins them on their last journey. This profoundly moving illustrated book is based on the...

Life in the Southern Hemisphere is bitterly cold for most penguins, but they don't seem to mind. Most penguins live in large colonies on the coast of Antarctica or on nearby islands. Readers explore penguin colonies for themselves, learning fun facts about these beautiful birds with the help of accessible text. Readers learn how penguin families work together to feed their young and keep them warm. A helpful graphic organizer aids in reader understanding. Readers will enjoy detailed images of penguin species at home in the Antarctic with every turn of the page.

¿Dónde puedes encontrar el color amarillo? ¿Tiene algún significado especial este color? Los jóvenes lectores aprenderán a identificar objetos amarillos y los lugares donde aparecen en Amarillo, uno de los libros de Los niños y la ciencia: Colores. Where can you find the color yellow? Does this color have any special meanings? Young readers will learn to identify yellow objects and the places they appear in Yellow, a Science Kids: Colors book.

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.