Atlas de los indios norteamericanos

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

Introduce students to Paul Revere with this biography that has been translated into Spanish. Primary source documents and images will engage readers as they build their literacy skills and social studies content knowledge, while learning about this important figure in American history.

Two books in one, this oversized volume shows readers the plants, root systems, insects, fossils, animals, mines, gems, minerals, and man-made wonders such as tunnels, subways, submarines, pipes, cables, and power lines that can be found underground or underwater in an unforgettable visual way. Each page takes you deeper and deeper under the waves or through layers of earth.

"Si amo a los seres con tanto ardor, es porque en cada uno de ellos amo una parte de ti, Dios mío" Etty Hillesum Han tenido que pasar muchos años para que el mundo descubriera el luminoso rostro de Etty Hillesum. ¿Quién habría creído, en vísperas de la Segunda Guerra mundial, que esta joven judía, locamente enamorada de la vida y aparentemente despreocupada, iba a dejarnos como herencia uno de los testimonios más profundos sobre la entrega de uno mismo y el amor a los seres y a Dios? Nacida en Holanda en 1914, Etty Hillesum es una joven libre, llena de ardor y de curiosidad, que se...