| Issue | #221 |
| Published | December 1975-January 1976 |
| Frequency | bi-monthly |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | Julius Schwartz; E. Nelson Bridwell (associate); Bob Rozakis (assistant) |
| Characters | Hawkman [Carter Hall; Katar Hol]; Wonder Woman [Diana Prince]; Dr. Cyber |
| Genre | Superhero |
| Pencils | Ernie Chan (signed) |
| Inks | Ernie Chan (signed) |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007] |
| Characters | Batman [Bruce Wayne]; Robin [Dick Grayson]; Commissioner James Gordon |
| Genre | Superhero |
| Pencils | Curt Swan |
| Inks | Vince Colletta |
| Notes | Hostess Fruit Pie ad. |
| Characters | Wonder Woman [Diana Prince]; Justice League of America [JLA; Atom [Ray Palmer]; Batman [Bruce Wayne]; Flash [Barry Allen]; Green Arrow [Oliver Queen]; Hawkman [Carter Hall; Katar Hol]; Superman [Clark Kent; Kal-El]]; Marjorie Sallinger; Dr. Gustav Renault (death); Princess Elaa (villain; death); Dr. Cyber [disguised as Marjorie Sallinger] (villain); Professor Moon (villain) |
| Synopsis | Hawkman observes Wonder Woman's 11th mission (although it was going on at the same time as her 10th mission, as Batman will explain in the following issue), as Diana faces off against Dr. Cyber. |
| Genre | Superhero |
| Script | Martin Pasko |
| Pencils | Curt Swan |
| Inks | Vince Colletta |
| Script | Bob Rozakis |
| Letters | typeset |
| Notes | Letters from readers - Scott Taylor, Dennis L. Crabtree, Gwendowlyn O'Neill, Bob Rodi and Deborah A. McClellan - and responses from Bob Rozakis. |