While Max is trying to help his ghost-friends Nicky and Tara find their parents, he accidentally angers an evil ghost named Mr. Morgo, who vows revenge.
- ISBN10 1299231454
- ISBN13 9781299231450
- Publish Date 1 January 2008 (first published 25 January 2005)
- Publish Status Active
- Out of Print 25 February 2015
- Publish Country US
- Imprint Delacorte Books for Young Readers
- Format eBook
- Language English