Why are grown-ups so insane? That's the question Leonard, Norman, Anna and Emma (the twins) try to answer with the help of Norman's new tutor, Balthazar Birdsong (who is also fairly nuts).
- ISBN13 9780545298773
- Publish Date 1 October 2011
- Publish Status Out of Stock
- Out of Print 13 March 2022
- Publish Country US
- Imprint Scholastic US
- Format Hardcover
- Pages 352
- Language English