Sexo para adolescentes

Visiting an aquarium is fun. There are many fish, sharks, birds, penguins, sea otters, and other creatures to see. Dive into learning subtraction as you read about the many animals at the aquarium! 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 subtraction 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...

Offers a description of Earth, the third planet from the sun, which includes information on its origins, composition, and unique characteristics.

Comic-strip character Gaturro and his friends Gaturrin, Agatha, and Emilio come to life in this colorful book that follows their adventures. Fun storylines and vivid drawings bring Gaturro and his gang to life.

¡Oh, no! ¡Claudia ha vuelto a desaparecer! Por suerte, esta vez es una falsa alarma, pero la familia Itarte va a evitar a toda costa que vuelva a ocurrir. Lluís sospecha que el duende está detrás de todo esto y deciden tenderle una trampa. Pero, cuando descubren lo que ocurre, la aventura no hace más que comenzar. ¡Tendrán que viajar a un lugar increíble para resolver el misterio!