La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Simple text paired with engaging full-color photographs of childrens faces will help children recognize the elements of a happy expression.

Tomando como hilo conductor a un joven lector y a Peter Kein, el protagonista de Auto de fe, Felipe Benítez Reyes nos transporta a través de la historia de la escritura, desde los egipcios a las quemas públicas del Tercer Reich, y nos muestra, gracias a un conjunto de datos y anécdotas interesantes, la trascendencia, naturalidad y significación del acto de la lectura para la existencia humana.

Poetic text recounts the childhood of the noted Spanish poet, including his love for the nature and folklore of his native Andalusia, his introduction to music and literature at home, and his health problems.

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.