Los zorros

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...

Get a close-up look at animals in the zoo, from appearance to behavior to babies. This series uses vivid photos to compare life in the wild and life in captivity in terms of habitat, activity, and diet.

Torres, peones y caballos ¡a la carga!. No dejen que nos capturen a nadie; su deber es protegerme. Tú, mi reina, quédate aquí conmigo, que todos nos van a cuidar, ¡Alfil! Dime qué ves, aconséjame cuál pieza mover. Y tú, lector ¿te atreves a retarme? El rey. ¿Has oído hablar del ajedrez? ¿Conoces el tablero, sus piezas y la manera en que se mueven? Rooks, pawns, and cavalry... charge! Do not allow a single piece to be taken captive. You, my queen, must stay beside me. They are all here to protect us! Bishop, tell me what you see? What piece should I move? Reader, do you accept...