- Script
- Gardner Fox
- Pencils
- Mike Sekowsky
- Inks
- Bernard Sachs
- Letters
- ?
- Genre
- superhero
- Characters
- Justice League of America [The Flash [Barry Allen]; Aquaman [Arthur Curry]; Batman [Bruce Wayne]; Martian Manhunter [J'onn J'onzz]; Wonder Woman [Diana Prince]; Green Lantern [Hal Jordan]; Superman [Clark Kent; Kal-El]; Snapper Carr; Green Arrow [Oliver Queen] (joins)]; Carthan (villain); Xandor
- Synopsis
- Carthan, banished from his homeworld Dryanna to Earth by his ruler Xandor, attempts to contact the Justice League for help but cannot do so directly. He activates three machines of destruction that hold him to Earth and takes Green Arrow hostage, hoping that the Justice League can deactivate the machines and free him.
- Reprints
Adam Strange and Hawkman were also considered for League membership, but Green Arrow was ultimately selected.
- Script
- Gardner Fox
- Pencils
- Mike Sekowsky
- Inks
- Bernard Sachs
- Letters
- ?
- Genre
- superhero
- Characters
- Justice League of America [Aquaman [Arthur Curry]; Batman [Bruce Wayne]; The Flash [Barry Allen]; Green Lantern [Hal Jordan]; Martian Manhunter [J'onn J'onzz]; Superman [Clark Kent; Kal-El]; Wonder Woman [Diana Prince]; Snapper Carr; Green Arrow [Oliver Queen]]; aliens from Appellax (flashback); Amazons of Paradise Island (flashback)
- Synopsis
- The Justice League of America uses the occasion of its third anniversary to tell Snapper Carr about the formation of the League, involving the discovery of strange meteors that nearly doomed them forever.
- Reprints
Featuring the origin/first case of the JLA.
- Pencils
- Murphy Anderson
- Inks
- Murphy Anderson
- Letters
- ?
- Genre
- superhero
- Characters
- Justice League of America [Aquaman [Arthur Curry]; Wonder Woman [Diana Prince]; The Flash [Barry Allen]; Batman [Bruce Wayne]; Green Arrow [Oliver Queen]; Snapper Carr; Martian Manhunter [J'onn J'onzz]; Superman [Clark Kent; Kal-El]; Green Lantern [Hal Jordan]]; Felix Faust
- Reprints
Reworking of the cover from Sensation Comics #109 (May-June 1952).
- Script
- Gardner Fox
- Pencils
- Mike Sekowsky
- Inks
- Bernard Sachs
- Letters
- ?
- Genre
- superhero
- Characters
- Justice League of America [The Flash [Barry Allen]; Batman [Bruce Wayne]; Superman [Clark Kent; Kal-El]; Wonder Woman [Diana Prince]; Martian Manhunter [J'onn J'onzz]; Aquaman [Arthur Curry]; Green Lantern [Hal Jordan]; Green Arrow [Oliver Queen]; Snapper Carr]; Felix Faust (intro, villain); Demons Three [Abnegazar (intro, villain); Rath (intro, villain); Ghast (intro, villain)]; the Lord of Time (intro, villain); the Timeless Ones (flashback)
- Synopsis
- Felix Faust learns that the Demons Three--Abnegazar, Rath, and Ghast--can only be freed from a spell involving the Red Jar of Calythos, the Green Bell of Uthool, and the Silver Wheel of Nyorlath, which were hidden long ago by their jailers, the Timeless Ones. Meanwhile, the Lord of Time unleashes warriors of the past and future on the present to steal for him. As the League tries to stop him, they disappear one by one and find themselves under the control of Felix Faust, who orders them to retrieve the items needed to free the Demons Three.
- Reprints
Story continues in Justice League of America #11 (May 1962). Mentions the Necronomicon and H.P. Lovecraft.
- Script
- Gardner Fox
- Pencils
- Mike Sekowsky
- Inks
- Bernard Sachs
- Letters
- ?
- Genre
- superhero
- Characters
- Justice League of America [Aquaman [Arthur Curry]; The Flash [Barry Allen]; Green Lantern [Hal Jordan]; Snapper Carr; Batman [Bruce Wayne]; Green Arrow [Oliver Queen]; Martian Manhunter [J'onn J'onzz]; Superman [Clark Kent]; Wonder Woman [Diana Prince]]; Demons Three [Abnegazar (villain); Rath (villain); Ghast (villain)]; the Lord of Time (villain)
- Synopsis
- The League chases the Lord of Time into the future, but when they try to return, they find themselves unable to go anywhere earlier than 2062.
- Reprints
Story continued from Justice League of America #10 (March 1962).