When his mother goes to the cellar and doesn't return right away, Harry goes down to search for her and confronts the terrible two-headed Whatzit.
- ISBN10 0816431825
- ISBN13 9780816431823
- Publish Date 1 January 1977
- Publish Status Out of Print
- Out of Print 28 June 2021
- Publish Country US
- Imprint Seabury Press
- Format Hardcover
- Language English