El gran llibre del planeta

Tras el éxito de los títulos anteriores, Virtual Hero y La torre imposible, presentamos la última aventura de Rubius, Zombirella, Sakura y los habituales del equipo. Tras la muerte de Slenderman, la relación entre Rubius y Sara se ha enfriado. Sin embargo, la generosidad de Zombirella, capaz de dejar al margen sus sentimientos, logrará que el equipo vuelva a reunirse y plante cara a las amenazas de Trollface, que, cegado por la ambición, persigue como único objetivo demostrar que es mejor que Rubius. ¿Cuál es el motivo de su odio? ¿Quién es, en realidad, Trollface? Cuando Rubius...

Readers will learn about the important relationship between producers and consumers as well as buyers and sellers and how they all work together to create a healthy economy. This instructive volume defines basic economic concepts like goods and services and explains production with examples of the different types of production. It also covers the primary and secondary industries that produce goods. Concepts such as marketing and advertising are also covered, for a well-rounded view of this fascinating aspect of the economy.

Integrate science, history, and math into literacy lessons with these high-interest, Spanish-translated books. Topics such as space exploration, endangered animals and money management are designed to engage and inform students. Sophisticated graphics, interactive text features promote critical thinking hand help students build vocabulary and increase visual literacy skills.

Got a fan of snakes, lizards, and turtles? Dig into this beginner's guide to reptiles from Cathryn and John Sill, creators of the award-winning About... series. Author and educator Cathryn Sill explains in simple language the basic characteristics that all reptiles share, while offering a look at many of the animals that fall into this diverse category, including ever-popular lizards, snakes, and turtles. The beautifully detailed paintings of noted wildlife illustrator John Sill depict reptiles in their habitats and highlight their unique aspects. An afterword provides more detail on each...