Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

An ideal book for young Spanish students; proposes a new progression that promotes language acquisition and consolidation of contents, offers numerous grammatical and lexical and formal practice aid activities within the unit and contains a competency evaluation at the end of each chapter.

Simple text and photographs introduce USDA's MyPlate tool and present healthy fruit options for children.

XVI Premio Anaya de Literatura Infantil y Juvenil, 2019 Premio Fundación Cuatrogatos 2020 Una historia introspectiva sobre el amor adolescente, el dolor, la amistad y los celos. Marina ha descubierto que su corazón ya no le pertenece, ya no es dueña de él. Se ha enamorado de Eugenio, el chico con el que sale, y poco a poco va descubriendo que tampoco es dueña de sus actos. ¿Por qué se va alejando de sus amigos? ¿Por qué Eugenio impone siempre su voluntad? La brusca ruptura de la relación complicará aún más las cosas. ¿Podrá vivir con el corazón devorado por serpientes?...

Presents a collection of poetry and lullabies by a number of Colombian authors and poets including Jose Silva and Eduardo Castillo.