- Script:
- Edmond Hamilton
- Pencils:
- John Forte
- Inks:
- John Forte
- Colors:
- ?
- Letters:
- Vivian Berg ?
- Genre:
- superhero
- Characters:
- Heroes of Lallor [Beast Boy; Gas Girl; Evolvo Lad; Duplicate Boy; Life Lass]; Legion of Super-Heroes [Superboy; Shrinking Violet; Star Boy; Saturn Girl; Sun Boy; Chameleon Boy; Invisible Kid; Mon-El;]; Marden King
- Synopsis:
- An evil scientist tricks the Heroes of Lallor into fighting the Legion.
- Reprints:
Marden King is the brother of Jungle King (also known as Monster Master) whom the Legion fought in Adventure Comics (DC, 1938 series) #309.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- typeset
It is revealed in this column that Polar Boy is the youngest of all the members of either the Legion proper or the Substitute Heroes.