Una Caminata en el Mundo de la Matemática

Uses bird and bee cartoon characters to present explanations of topics related to sexual development, reproduction, and more.

'Malala is an inspiration to girls and women all over the world.' - J.K. Rowling I Am Malala tells the remarkable true story of a girl who knew she wanted to change the world - and did. Raised in the Swat Valley in Pakistan, Malala was taught to stand up for her beliefs. When terrorists took control of her region and declared girls were forbidden from going to school, Malala fought for her right to an education. And, on 9 October 2012, she nearly paid the ultimate price for her courage when she was shot on her way home from school. No one expected her to survive. Now, she is an international...

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...

Año 449, el futuro del mundo pende de un hilo. El otrora poderoso Imperio romano yace vulnerable. El enorme ejército de los hunos se encuentra reunido a un tiro de piedra, al otro lado del Danubio, preparado para atacar. El general romano Cayo Flavio Aecio sabe que Atila está sediento de la sangre de sus antiguos captores y sueña con su destrucción. Pero no recibe la ayuda necesaria y la horda arrasa la débil frontera, masacrando todas las guarniciones que encuentra a su paso. Atila planea una estrategia que le llevará a las mismísimas puertas de Roma. Pero antes deberá valorar si el ...