After Dr. Dan comes up with a cure for flatness, Stanley, who is on vacation in Boston with his family, must decide whether or not to stay flat.
- ISBN10 0062366041
- ISBN13 9780062366047
- Publish Date 4 October 2016
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format Hardcover
- Pages 144
- Language English