La fuerza y el movimiento (Forces and Motion)

Understanding light and color might seem impossible, but if readers already know the colors of the rainbow, they're part of the way there. Including the light spectrum, wavelengths, and other key concepts, this book tackles light and color for those falling behind in class because of their reading skills. The main text is written with these struggling readers in mind, accompanied by full-color photographs and diagrams to aid understanding. An extended glossary introduces and explains all the vocabulary readers need to continue learning about light and color.

Una edición escolar -con texto íntegro y nuevas ilustraciones- de la segunda entrega de las aventuras del capitán Alatriste. Una mujer ha aparecido estrangulada frente a la iglesia de San Ginés. El enigma se complica con los sucesos misteriosos que ocurren tras las paredes del convento, cuando Alatriste es contratado para rescatar de allí a una joven novicia.

An eighteen-year-old pinball addict and a smart-mouthed girl who don't quite fit in with anyone else develop a special relationship.

Explore the lifecycle of a butterfly and learn about the transformation of caterpillars into beautiful butterflies. The connection to language arts is the rich vocabulary related to butterflies, caterpillars, and their transformations.

Think there's just one fairy tale with a girl who meets danger in disguise? Think again! Cultures all around the world have their own Little Red Riding Hood stories. Visit Germany, Italy, and Taiwan, and find out whose "sick grandmother" is a tiger, and who is saved not by a "kind hunter" but by a talking river. Fully translated Spanish text.