| Issue | #421 |
| Published | March 1972 |
| Cover Price | 0.25 USD |
| Pages | 52 |
| Editing | Julius Schwartz |
| Notes | average # copies per issue, previous year - 199,112. |
| Characters | Batman |
| Genre | superhero |
| Pencils | Neal Adams; Alan Kupperberg (Batman head on the left border) |
| Inks | Dick Giordano |
| Notes | Cover art credits confirmed from Julius Schwartz's editorial records, provided by DC Comics. Alan Kupperberg revealed in an interview with Daniel Best that he pencilled the Batman head in the left border and that Dick Giordano inked it. The rest of the head shots are stock shots pasted in later. Alan believes the Kupperberg-Giordano Batman head was subsequently used on other covers. |
| Characters | Batman; James Gordon; Alfred Pennyworth; Warden Howe; Marla Mannning; Carlton Quayle |
| Genre | superhero |
| Script | Frank Robbins |
| Pencils | Frank Robbins |
| Inks | Frank Robbins |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Characters | Batgirl; James Gordon; Garcia da Vega; Carlos da Vega; Odds Lanyon |
| Genre | superhero |
| Script | Frank Robbins |
| Pencils | Don Heck |
| Inks | Don Heck |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Characters | Alfred Pennyworth; Batman; Robin |
| Genre | superhero |
| Script | Don Cameron ?; Joe Samachson ? |
| Pencils | Jerry Robinson |
| Inks | Jerry Robinson |
| Reprinted | from Batman (DC, 1940 series) #24 August-September 1944 |
| Characters | Mysto |
| Script | George Kashdan |
| Pencils | Leonard Starr |
| Inks | Leonard Starr |
| Reprinted | from Detective Comics (DC, 1937 series) #205 March 1954 |