One Crazy Summer is a historical fiction novel by American author Rita Williams-Garcia, published by Amistad in 2010.

The novel is about Delphine, Vonetta, and Fern, three sisters, visiting their mother in Oakland, California, during the summer of 1968.

However, the girls’ father sends them to Oakland, California one summer to stay with their estranged mother, Cecile, who refers to herself as Nzilla.

The girl's grandmother always said that Cecile abandoned them because their father objected to her giving the baby a name.

After a day trip to San Francisco, the sisters return home to find their mother Cecile and two members of the Black Panther Party being arrested.

Teri Markson, writing for School Library Journal, states that it is "emotionally challenging and beautifully written" for children about ethnic identity and personal responsibility.

[15] Tricia Melgaard from School Library Journal states that this story is delightful and told through the eyes of Delphine, a "sensitive and intuitive" young girl.

[16] C. J. Morales, writing for the New York Amsterdam News, states that it is written to teach black history in a meaningful and amusing way, and "it will keep you laughing out loud.