"When Harry and his pals in Room 3B aren't invited to their teacher's wedding, they invite themselves, and wind up saving the day"--
- ISBN13 9780670015528
- Publish Date 14 April 2015
- Publish Status Remaindered
- Out of Print 9 August 2023
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint Viking Press Inc
- Format Hardcover
- Pages 80
- Language English