Dinosaurios

Describes what the different track events are, how to warm up for a track meet, and how to compete in a track meet.

The author recalls his childhood in the mountains and valleys of California with his farmworker parents who inspired him with poetry and song.

Describe la apariencia física, los hábitos, la alimentación, el apareamiento, la vida familiar y el ciclo vital de los pandas gigantes.

Describes sexually transmitted diseases, including AIDS, syphilis, gonorrhea, and genital herpes, and discusses their medical dangers and where to get help.