| Release: | Jul 1962 |
| Cover: | Jul 1962 |
The Man Who Conquered Sound / My Brother, Green Lantern
| Release: | Jul 1962 |
| Cover: | Jul 1962 |
"The Man Who Conquered Sound" - Hal stops by in Modora on the way back from a mission to get a stamp to complete Pieface's collection. Before he can find one, he learns of Sonar, a major threat to the western world, and he rushes back home to stop the master of sound.
"My Brother, Green Lantern" - Hal, Jack and Jim Jordan head out on a hunting trip with their fraternity rings. On their return, Hal and Jim get their rings mixed up, leaving Jim with Hal's power ring. When Jim is captured by thieves, Hal has to save his life without his own ring.
| Writer | John Broome |
| Cover Penciller | Gil Kane |
| Cover Inker | Murphy Anderson |
| Penciller | Gil Kane |
| Inker | Joe Giella |
| Letterer | Gaspar Saladino |
| Editor | Julius Schwartz |
| Green Lantern | Hal Jordan |
| Thomas Kalmaku | |
| Sonar | Bito Wladon |
| Jim Jordan | |
| Jack Jordan | |
| Sue Williams-Jordan |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Green Lantern |
| Genre | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |