Las causas de la Revolucion (Reasons for a Revolution)

California is home to the largest school system in the country. Students will learn about the history of California’s schools and higher education system with this nonfiction text that builds students’ reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...

Describes the ancient giant kangaroo of Australia's distant past that was five times the size of today's largest kangaroos. Discusses how the animal lived and how it became extinct.

"El cuerpo humano está formado por diversos sistemas muy complejos: el circulatorio, el respiratorio, el linfático, el digestivo, el nervioso ... Y todos tienen que trabajar en perfecta sincronía para mantenernos con vida y funcionando como lo hacemos. Este libro nos lleva en una fascinante travesía a través de nuestra propia esencia, para que podamos no sólo comprender, sino gozar un viaje asombroso a través de la máquina más importante y sorprendente: el cuerpo humano."--Publisher.

Have you ever flown on an airplane? In this title, early readers learn how an airplane works and what to expect if you fly on one. Included are a picture glossary and websites to visit.