Love is in the app

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.

¿Qué hace un abuelo científico para explicarles a sus nietos todas esas cosas que seguro que algún día querrán saber? Fácil: crear un blog e ir contando en él todo lo que le apetece: por qué los viajes espaciales son tan importantes como los museos, por qué es más fácil desordenar una habitación que ordenarla, cuántas probabilidades hay de que caiga en la Tierra un meteorito realmente grande... ¿Y si luego no son solo sus nietos los que se aficionan a leer el blog, y se crea un círculo de amigos a distancia? ¿Y si no todos esos amigos son quienes parecen ser? Mezcla de libro...

Visiting an aquarium is fun. There are many fish, sharks, birds, penguins, sea otters, and other creatures to see. Dive into learning subtraction as you read about the many animals at the aquarium! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning subtraction easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading...

Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us.