Método de los relojes

Mamíferos I is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

This nonfiction book explores the history, culture, customs, and beliefs of California's American Indian tribes including the Chumash, Tongva, Hupa, Yokuts, Quechan, and Coso tribes. Detailed primary source images in conjunction with Spanish text provide 3rd grade students with an inviting reading and learning experience as they build their social studies knowledge. This book includes basic informational text features including a glossary, an index, table of contents, and reader's guide. Students will be intrigued by Native American history with this fascinating nonfiction Spanish book.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

La reina blanca narra la historia del amor entre Elizabeth Woodville y Eduardo IV, rey de Inglaterra. Un amor que causará un gran escándalo y cambiará el destino de Inglaterra para siempre. Inglaterra está en plena Guerra de las Rosas, una contienda familiar, una batalla que enfrenta a hermanos y primos que luchan para obtener el derecho a reclamar el trono de Inglaterra. Pero el rey se ha enamorado de la preciosa viuda y se casan en secreto a las pocas semanas. Cuando el matrimonio es descubierto, Elizabeth y su familia se ven pronto en el centro de una lucha por el poder en la corte...