Seven-year-old Stink Moody, having discovered that he can get free samples by writing letters of complaint to companies, gets so caught up in his letter writing campaign that he misses his best friend's birthday, but he plans a super surprise to make up for his mistake.

A dog looking for a home sends letters to prospective owners on Butternut Street, with surprising results.

A young girl and her teacher correspond about the whale she has discovered in her pond.

Nancy receives a letter meant for a British heiress who has the same name and, in her attempts to contact the other young woman, faces danger from a man who operates a Lonely Hearts Club mail fraud.

Duncan and his box of crayons celebrate the holidays by decorating the house, baking Christmas cookies, and sending and receiving letters from family.

Philbert the mouse would like to have tea with Oliver the cat, and tries to send him letters from underneath the couch, but Oliver keeps missing each note.

Bear sends updates on her adventures as she travels to visit Bird, who has migrated south for the winter.

Corduroy shows Lisa that writing letters to express your opinion can make a difference.

In a series of letters a student laments the absence of her teacher and daily routine, but she soon realizes there are benefits to mixing things up, and that perhaps having a substitue teacher is not so bad afterall.

A young vampire writes a letter to his grandfather bemoaning his new neighbors.