Frederick Douglass: Líder del movimiento abolicionista (Frederick Douglass)

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.

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.

Carlitos and the rest of the Peanuts gang help present a host of facts about how people live in various environments around the world.

La historia de una trágica equivocación: la política colonial de España en el protectorado de Marruecos. Un relato protagonizado por dos soldados de leva, Andreu y Amador, y el sargento Molina, en el que se describen los horrores de la guerra y el horror del hombre ante un destino impuesto por eso que llaman «razón de Estado».

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 debugging. 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 debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...