Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

Sisters in Blue tells the story of two young women--one Spanish, one Puebloan--meeting across space and time. Sor María de Jesús de Ágreda, New Mexico's famous Lady in Blue, is said to have traveled to New Mexico in the seventeenth century. Here Anna M. Nogar and Enrique R. Lamadrid bring her to life, imagining an encounter between a Pueblo woman and Sor María during the nun's mystical spiritual journeys. Tales of Sor María, who described traveling across the earth and the heavens, have traditionally presented her as an evangelist who helped bring Catholicism to the Pueblos. Instead this ...

Follow a day in the life of two children from different cities! This entertaining title has been translated into Spanish and encourages young readers to practice time measurement skills and early STEM themes, like reading analog and digital clocks. Familiar images and fun practice problems will have young readers thinking about how they can measure time throughout a day in their own lives!

Crónicas personales que muestran ciertas ciudades desde una óptica única, ingeniosa, divertida, intrépida. En La piel del mundo encontramos a Gumucio moviéndose como pez en el agua en uno de los registros que lo ha convertido en una voz inconfundible de la actual literatura latinoamericana: la no ficción personal. Reformulación radical de Páginas coloniales, de 2006, con varias páginas más y sobre todo varias páginas menos La piel del mundo narra las peripecias del autor en ciudades como Barcelona, Madrid, Puerto Príncipe y Nueva York. El cronista aparece acá bajo la forma de un...

¿No confías en el gobierno? ¿Te da miedo el gobierno? ¿No te gustan los candidatos? ¿Votas por el menos peor? ¿Cuál es el problema? La Democracia Representativa por elección no es un sistema democrático; es un sistema opresivo, que polariza y divide a la sociedad, es altamente ineficiente y fácil de corromper. ¿En qué me afecta? La libertad, la seguridad, la economía, la salud, la alimentación, la educación, las oportunidades y todas tus circunstancias dependen de la organización política y económica de tu sociedad y de las personas a las que el sistema les da poder. ¿Qué...