Following on from
The Sea Devils, the next story we come to is
The Mutants. The eponymous monsters here turn out not to be
“mutants” at all but are instead a natural form of an alien race native to the planet Solos. While they have since received the odd passing reference here and there, they currently remain a one-off race, never appearing again in any of the novels, audios, or even (so far as I can tell) shorter works such as comics.
