Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

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

Germs. Everybody has them! Some germs help people. Some germs can harm people. Add and subtract with tens as you learn all about germs. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning arithmetic easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides additional...

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

" El tren de los monstruos " es otro ejemplar de la colección " Cuentos para leer a oscuras " . Todos los personajes que suelen aparecer el día de Halloween viajan en un tren muy especial. Con la luz encendida, podemos leer una adivinanza, y al apagarla, de manera mágica, aparece la respuesta. Los simpáticos monstruos se iluminan en la oscuridad.

Frida Kahlo es una de las más destacadas artistas plásticas del siglo XX. Un accidente a los 18 años cambió el rumbo de su vida y desde entonces el dolor se convirtió en el protagonista de su existencia. Utilizó la pintura para canalizar este sufrimiento creando una obra absolutamente personal y metafórica. Su arte representa su vida, y su vida representa la conquista de la adversidad. En este libro encontrarás muchas historias y anécdotas sobre su vida.