El Oso de Las Cavernas/Cave Bear

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of reusing resources and knowledge. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how reusing resources and knowledge can be helpful in the real world. In this book, readers learn about the Bill of Rights and how parts of it...

Citizens of the United States have the freedom to choose who they vote for. Voters can choose from a number of candidates. Most people belong to a political party and they often choose to vote for the candidate belonging to their political party. However, sometimes people choose to vote for a person regardless of their political affiliation. This book explores how people choose a candidate to vote for and why that choice matters. Relevant images aid readers in making textual connections.

La cultura medieval islámica ha dado figuras espléndidas. Omar Jayyam, poeta y filósofo, algebrista y astrónomo, es sin duda la más fascinante de todas. Su pensamiento fue heterodoxo, su saber inmenso, su obra variadísima. De lo que nos ha llegado de su poesía no siempre es fácil distinguir lo auténtico de lo apócrifo, y de lo que sabemos de su vida, la historia de la leyenda. Su más importante aportación algebraica, la resolución sistemática de las ecuaciones cúbicas cortando cónicas, se procurará poner al alcance de un lector moderno sin alterar las ideas de fondo.

A biography telling the life story of Clara Barton, who served as a Civil War nurse, and started the American Red Cross. Written in graphic-novel format.