Los ciclos de la Tierra (Earth's Cycles)

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...

Exploración espacial 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.

A human hand is found in the zoo's elephant enclosure. The rest of the teacher and ardent environmentalist turns up on the lawn. Although admired by his students, nearly everyone else seems to have a reason to want him dead.

Provides the story of the black woman whose refusal to give up her seat on a bus in Alabama set in motion all the events of the civil rights movements that resulted in the end of the segregated South.