Many unusual and unexpected things happen while Max plays with his invisible dragon.
- ISBN10 0374399212
- ISBN13 9780374399214
- Publish Date 18 March 2008
- Publish Status Out of Print
- Out of Print 1 July 2021
- Publish Country US
- Imprint Farrar Straus Giroux
- Format Hardcover
- Pages 32
- Language English