- Script
- Edmond Hamilton (pages 2-8); E. Nelson Bridwell (page 1)
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Batman [Bruce Wayne]; Bizarro; Joker; Jimmy Olsen; Robin [Dick Grayson]; Superman [Clark Kent / Kal-El]; Bizarro Batman (introduction)
- Synopsis
- While Superman and Batman are away on a space mission, Bizarro and Bizarro Batman come to Earth to take their place.
- Reprints
- Keywords
- bank robbery; Batcave; Bizarro World; imperfect duplicator-ray; lighthouse
writer credit verified by Bridwell
- Script
- Henry Boltinoff (signed)
- Pencils
- Henry Boltinoff (signed)
- Inks
- Henry Boltinoff (signed)
- Colors
- ?
- Letters
- Henry Boltinoff (signed)
- First Line of Dialogue or Text
- Lefty Looie! At last I found you.
- Genre
- humor; anthropomorphic-funny animals; superhero
- Characters
- Super-Turtle
- Synopsis
- Super-Turtle captures Lefty Looie and begins to fly him to California, where he is wanted by the police. When the crook says he gets air sick, Super-Turtle brings him across country underground.
- Reprints
Between parts 1 and 2 of first story.
- Script
- Irwin Donenfeld
- Letters
- typeset
publisher: National Periodical Publications
575 Lexington Ave
New York, NY
Editor:Mort Weisinger
Owners: Estate of Harry Donenfeld; Jack Liebowitz; P. Sampliner; Irwin Donenfeld; S. Sampliner; Sonia Iger.
No Sales figures. Statement of ownership was reprinted in World's Finest #158 with sales figures.
- Script
- E. Nelson Bridwell ?
- Letters
- typeset
Letters from Russ Abernathy, Thomas Ramsay, Gary Williamson, Jerry Jablonski, Mary McKee, Pat Bennett, Ken Cramer, Tim Harley, Chip DeLamater, Marty Yates.