Los caballeros

Roma. Esta civilización sobresalió por la innovación de sus instituciones políticas y la expansión de sus grandes obras de ingeniería. Este volumen ofrece una cuidada visión general del concepto, seguida de una selección de temas, cada uno de ellos presentado mediante una espectacular ilustración a doble página, complementada con breves y precisos textos, así como con aproximaciones a ciertos aspectos de gran interés.

In graphic novel format, follows the adventures of Max Axiom as he explains the science behind photosynthesis.

Born into slavery, Frederick Douglass relied on his own determination and ingenuity to carve a path to freedom. Once free, he dedicated his life to improving the lives of others and fighting for justice and equality. This inspirational Spanish biography uses primary sources to engage students in learning about the fascinating life of Frederick Douglass. Students will build their literacy skills as they are immersed in social studies content. Text features include a glossary and an index to increase comprehension and academic vocabulary.

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...