- Script:
- Gerry Conway
- Pencils:
- Gene Colan
- Inks:
- Klaus Janson
- Colors:
- Klaus Janson
- Letters:
- Ben Oda
- Genre:
- superhero
- Characters:
- Batman; Mad Hatter (villain); Commissioner James Gordon; Alfred Pennyworth
- Reprints:
The book begins a format of regular cross-overs with the Batman book.
This story continues in Batman (DC, 1940 series) #344.
- Script:
- ?
- Letters:
- typeset
- Job Number:
- L-889
Letters of comment from John Zuber, Charles D. Brown, J. P. Kelly and Alicia Wu.