| Issue | #39 |
| Published | January 2008 |
| Cover Price | 2.25 USD |
| Pages | 36 |
| Editing | Rachel Gluckstern |
| Characters | Batman; Elongated Man; Detective Chimp |
| Genre | superhero |
| Pencils | Zach Howard (signed) |
| Inks | Zach Howard (?) |
| Characters | Batman; Elongated Man; Detective Chimp; Martian Manhunter; Grodd; Solovar (cameo) |
| Synopsis | Three great detectives of the JLU team up to defeat Grodd the Super-Gorilla, who has made Gorilla City disappear! |
| Genre | superhero |
| Script | Sholly Fisch |
| Pencils | Gordon Purcell |
| Inks | Al Nickerson |
| Colors | Heroic Age |
| Letters | Steve Wands (as Swands) |
| Characters | Martian Manhunter |
| Script | ? (as Johnny DC) |
| Pencils | ? (illo) |
| Inks | ? (illo) |
| Colors | ? (illo) |
| Letters | typeset |
| Notes | Art and letters submitted by Xander Ertmann; Danielle Lopez; Mike Carreon; Jeff Hammons; Miranda Geer. |