Explains how bacteria and viruses affect the human body and how the body fights them.

Presents twelve poems celebrating Christmas, covering subjects of interest to children, such as making a Christmas list, performing in the school assembly, and cutting down a tree for the holiday.

Best friends Arlo and Robby are almost identical in what they wear, what they like, and even where they have teeth missing, but when Robby insists on betting on who is going to lose the next tooth their friendship is endangered.

Arlo and Robby, finding themselves the victims of a neighborhood bully, work out a red-hot scheme for discouraging him.

A teacher invites her students to bring their pets in each Monday for sharing day, but by the end of the year, she has a classroom full of "forgotten" animals.

Clyde is nervous about what he should take for show and tell, but he ends up sharing a wonderful surprise with his class.

Feeling inept in the team sports scheduled for his school's Gymboree, Clyde the rabbit develops his own event, a freestyle tumbling routine with a dazzling move called the "twirly burly."

Clyde, the rabbit, is ready to start school, but after talking with his brother, he is worried about what will happen at lunchtime.

In need of a replacement science fair project, two friends must decide whether to use their loose teeth or leave them for the Tooth Fairy.

Because her good deeds are not noticed, a small witch steals every trick-or-treat bag in town on Halloween.