La luz y sus efectos (Light and Its Effects)

Este libro contiene 90 entrena-mentes, actividades diseñadas para mejorar el funcionamiento de tu cerebro: ejercicios de memoria, juegos de palabras, problemas numéricos, retos visuales, códigos secretos, variantes divertidas del sudoku...

Examines prehistoric cave bears, including their biology, hunting techniques, and lifestyles. Discusses possible reasons for their extinction.

This engaging volume takes a close look at the legend of Joaquin Murrieta, the man who came to be known as the Robin Hood of Eldorado. Dynamic text tells the story of Murrieta, with plenty of exciting age-appropriate details, but also examines the complex relationship between fact and fiction in legends such as his. Interesting and informative historical background on the California Gold Rush and the role of Mexicans and Californios in the area at the time round out this fun and informative volume.

It is Pepe’s first day of school in England, and he is a bit nervous, even though he will be going to the same one as Tom and Lia. His morning brings the first surprise of the day when Pepe discovers that he needs to wear a uniform. He then feels slightly overwhelmed in Ms. Pinkerton’s class when he finds that he understands some assignments but not others. The most interesting surprise of all, though, is when his science teacher brings out his pet hamster and it escapes--with all of the kids hot on its heels. Es el primer día de escuela en Inglaterra para Pepe, y está un poco nervioso, ...