La secreta mision del 6.21

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

An illustrated field trip visits a newspaper to explain about reporting and editing the news, printing the newspaper, circulation, and related topics, in a study that spotlights some important vocabulary and concepts.

Universo is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

"Una fresca y espléndida historia de amor que aborda las complejidades de nuestro corazón. Ramona Blue descubre que el amor sin límites es sinónimo de belleza total". —Adam Silvera, autor de Al final mueren los dos Con su inconfundible cabello azul y su más de uno ochenta de estatura, Ramona Blue está segura de unas cuantas cosas: le gustan las chicas, adora a su familia, la natación es su pasatiempo favorito y está destinada a algo mucho más grande que el remolque en el que vive. No obstante, las cosas no le resultan fáciles con una madre inestable, un padre amoroso pero...