| Release: | Apr 1991 |
| Cover: | Apr 1991 |
90 Days, The Powers That Be
| Release: | Apr 1991 |
| Cover: | Apr 1991 |
Hal Jordan is taking responsibility for the mistakes made in the original "Emerald Dawn" miniseries. He's been sentenced to 90 days in maximum security prison without chance for work release or parole. Meanwhile, the Guardians decide he needs further guidance, and send Sinestro to help as a model Green Lantern.
| Cover Penciller | Mark D. Bright |
| Cover Inker | Romeo Tanghal |
| Cover Colorist | Anthony Tollin |
| Penciller | Mark D. Bright |
| Inker | Romeo Tanghal |
| Colorist | Anthony Tollin |
| Letterer | Albert DeGuzman |
| Plotter | Keith Giffen |
| Scripter | Gerard Jones |
| Editor | Andrew Helfer |
| Green Lantern | Hal Jordan |
| Guardians of the Universe | |
| Carol Ferris | |
| Green Lantern | Thaal Sinestro |
| Guy Gardner | |
| Katma Tui |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Green Lantern |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |