La reproducción de las plantas (Plant Reproduction)

Describes the physical characteristics, habitats, life cycle, and behavior of different kinds of reptiles, including alligators, turtles, snakes, and lizards.

Gender studies of Spain has thus far focused almost exclusively on women, leaving the social and political history of male homosexuality virtually untouched. "'Los Invisibles'" fills this significant gap in the study of Spanish culture by analyzing the effects of medical and legal regulation on male homosexuals. Drawing from the discourse of medical history, Richard Cleminson and Francisco Vazquez Garcia evaluate the impact of psychiatry, education, race, and the growth of gay subcultures on cultural representations of homosexuality in this pioneering study.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

La impresionante historia de la activista social y autora de éxito nacional Julissa Arce sobre su niñez en Texas y su lucha por alcanzar su Sueño Americano, aun siendo indocumentada. Nacida en Taxco, México, Julissa Arce se quedaba en su pintoresco pueblo durante meses con sus dos hermanas, una niñera y su abuela, mientras que sus padres viajaban incansablemente a Estados Unidos con la esperanza de construir una casa y buscar mejores oportunidades para sus niños. Un día, sus padres deciden traer a Julissa a Texas a vivir con ellos. A partir de ese entonces, Julissa vivió en secreto...