Discusses where hurricanes come from, what types there are, and what can be done during one.

Chip, an invisible boy, and his friends solve the mystery of who took the school ball from the playground.

When the Invisible Inc gang makes computer greeting cards to raise money to invite an author to school, they solve the mystery of the author's real name.

Discusses the evolution of dogs, the acuteness of their senses, their ability to learn new tasks, and the many ways that they are helpful to humans, such as serving as helpers for disabled persons and working as police dogs.