- Script
- David Vern (credited as David V. Reed); ? (vertaling)
- Pencils
- Ernie Chan (credited as Ernie Chua)
- Inks
- Tex Blaisdell (credited)
- Colors
- ?
- Letters
- typeset
- First Line of Dialogue or Text
- Wie? De Raadselman...E(dward) Nigma...gevangen in een puzzel in een mysterie...!
- Genre
- superhelden (superhero)
- Characters
- Batman [Bruce Wayne]; Robin [Dick Grayson]; Riddler [Edward Nigma] (villain); Alfred Pennyworth
- Reprints
Comic panels one and four have been cropped from the original United States edition, in order to introduce the indicia information of this issue onto the final page of the story.