[1] In it, a Doctor Moreau-like mad scientist performs organ transplants not only between men and animals, but also between plants and even machines.
Le Péril Bleu predates Charles Fort's Book of the Damned (1919) and retains a humanistic and tolerant rather than fearful and xenophobic philosophy.
Since, in order to function, the human eye must perform as an opaque dark room, any truly invisible man would also be blind!
The Roman Catholic press ferociously attacked the novel,perceiving it as sacrilegious, and blacklisted by public libraries.
As in Richard Matheson's screenplay for The Incredible Shrinking Man (1957), the hero is then attacked by insects, before eventually arriving on an electron-size planet, where scientifically advanced people are able to reverse the process and send him home.