- Script:
- Gardner Fox
- Pencils:
- Mike Sekowsky
- Inks:
- Bernard Sachs
- Colors:
- ?
- Letters:
- Gaspar Saladino
- Genre:
- superhero
- Characters:
- Snapper Carr; Justice League of America [Flash [also appears as Barry Allen]; Batman [also appears as Bruce Wayne]; Green Arrow [also appears as Oliver Queen]; Aquaman; Martian Manhunter [also appears as John Jones]; Superman [also appears as Clark Kent]; Wonder Woman [also appears as Diana Prince]; Green Lantern [also appears as Hal Jordan]]; Midge; aliens from Angellax (villains); Steve Trevor (cameo); Lois Lane (cameo); Iris West (cameo); Carol Ferris (cameo); Kathy Kane (cameo); Diane Meade (cameo); Bonnie King (cameo)
- Synopsis:
- Snapper Carr and his girl Midge must be rescued by members of the Justice League after a strange trip through the new Happy Harbor fun-house. Those members, however, end up replaced by aliens from Angellax.
- Reprinted:
- in Justice League of America (DC, 1960 series) #76 (November-December 1969)
- in Justice League of America Archives, The (DC, 1992 series) #2 (September 1993)
- in Showcase Presents: Justice League of America (DC, 2005 series) #1 [black and white]
Page count decremented for 1/3 page ad/house ads at the end of each chapter. Page count confirmed from Julius Schwartz's editorial records, provided by DC Comics, December 2008.
- Script:
- ?
- Pencils:
- Gil Kane
- Inks:
- Murphy Anderson
- Colors:
- ?
- Letters:
- Ira Schnapp
- Genre:
- superhero
house ad for Showcase (DC, 1956 series) #34 [first Silver Age Atom]