| Release: | Apr 1970 |
| Cover: | Apr 1970 |
The Poison Pen Puzzle
| Release: | Apr 1970 |
| Cover: | Apr 1970 |
| Writer | Frank Robbins |
| Artist | Bob Brown |
| Cover Artist | Neal Adams |
| Inker | Joe Giella |
| Batman | Bruce Wayne |
| Age | Bronze Age |
|---|---|
| Format | Comic |
| Series Group | Batman |
| Genre | Action | Adventure | Crime | Super-Heroes |
| Country | USA |
| Language | English |