- Script:
- Bill Finger
- Pencils:
- Sheldon Moldoff
- Inks:
- Charles Paris
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Mr. X [Carl Danton] (introduction, villain); Fingers Nolan (introduction, villain); Professor Hale; Albert Linke; Mario Hazzara; John Logan
- Synopsis:
- Responding to an urgent call from Professor Hale at the Mechanical Museum of Natural History, Batman and Robin arrive only to find the professor has apparently died at the "hands" of one of the mechanical dinosaurs on exhibit. When they examine the body more closely, they discover the dead man has left them a clue to his killer!
- Reprints:
Synopsis added by Craig Delich 9-23-07.
- Script:
- Henry Boltinoff
- Pencils:
- Henry Boltinoff
- Inks:
- Henry Boltinoff
- Colors:
- ?
- Letters:
- Henry Boltinoff
- Genre:
- humor
- Characters:
- Warden Willis; Jenks
- Script:
- ?
- Pencils:
- Ruben Moreira
- Inks:
- Ruben Moreira
- Colors:
- ?
- Letters:
- ?
- Genre:
- detective-mystery
- Characters:
- Roy Raymond; Karen (supporting); a Saturnian [Rocky Watson] (intro, villain)
- Reprints:
- Script:
- ?
- Letters:
- typeset
- Genre:
- crime
- Script:
- Henry Boltinoff
- Pencils:
- Henry Boltinoff
- Inks:
- Henry Boltinoff
- Colors:
- ?
- Letters:
- Henry Boltinoff
- Genre:
- humor
- Characters:
- Casey the Cop
- Script:
- Jack Schiff ?
- Pencils:
- Winslow Mortimer
- Inks:
- Winslow Mortimer
- Colors:
- ?
- Letters:
- Ira Schnapp
- Genre:
- teen
- Characters:
- Buzzy
- Script:
- Jack Miller ?
- Pencils:
- Joe Certa
- Inks:
- Joe Certa
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- Martian Manhunter [John Jones; J'onn J'onzz]; Captain Harding (supporting); Horace Stone (intro, villain); John Blake; Adventurers' Club; Roger Drews; Ben Troy; Larry Hart
- Synopsis:
- Jones has to find a witness to save a friend from a murder charge.
- Reprints:
script credit from Bob Hughes, August 2008.