Los Insectos

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.

Learn how ornithologists are using modern technology to help migratory birds. Created in collaboration with the Smithsonian Institution, this Spanish Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, this Spanish book features a hands-on STEAM challenge that is perfect for use in a makerspace and teaches students every step of the engineering design process. Make STEAM career connections with career advice from actual Smithsonian employees working in STEAM fields. Discover...

Part of a beautiful set of board books, the Animales/Animals title will delight children as they begin to learn words in Spanish & English. The illustrations are in vivid colors that will ultimately enhance their attention and make learning simpler. Young children will want to flip through this book and others in the series time and time again!

Esta obra, recoge once ensayos cuyo denominador común es el abordaje de pasajes de la historia intelectual del siglo XX mexicano. Por sus páginas, el lector verá transitar a multitud de intelectuales, desde Justo Sierra y Ezequiel Chávez hasta José Emilio Pacheco, pasando por Félix Palavicini, José Vasconcelos, Martín Luis Guzmán, Daniel Cosío Villegas y Carlos Fuentes, entre muchos más, con una atención especial en Alfonso Reyes y en la presencia de los intelectuales españoles exiliados en nuestro país a partir de finales de los años treinta. Su lectura llevará también al...