A Letter to Amy is a 1968 children's

Children's literature

Children's literature is for readers and listeners up to about age twelve; it is often defined in four different ways: books written by children, books written for children, books chosen by children, or books chosen for children. It is often illustrated. The term is used in senses which sometimes...

 picture book

Picture book

A picture book combines visual and verbal narratives in a book format, most often aimed at young children. The images in picture books use a range of media such as oil paints, acrylics, watercolor and pencil.Two of the earliest books with something like the format picture books still retain now...

 by American author and illustrator Ezra Jack Keats

Ezra Jack Keats

Ezra Jack Keats , Caldecott-winning author of The Snowy Day, was one of the most important children's literature authors and illustrators of the 20th Century....

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"Peter, from Keats'

Ezra Jack Keats

Ezra Jack Keats , Caldecott-winning author of The Snowy Day, was one of the most important children's literature authors and illustrators of the 20th Century....

 The Snowy Day

The Snowy Day

The Snowy Day is a 1962 children's picture book by American author and illustrator Ezra Jack Keats. Keats received the 1963 Caldecott Medal for his illustrations in the book...

, is having a birthday party, and he's asked all of his friends to come. But Amy is a special friend because she is a girl--so Peter decides to write her a special invitation. When he rushes out in a thunderstorm to mail it, though, he bumps smack into Amy herself and knocks her to the ground. Will she ever come to his party now? And how will the boys greet a girl?"