I read "The Invisible Man" by H.G. Wells a couple years ago and decided to make this list ranking adaptations and reworkings of his book after seeing the 2020 movie and a few more movies about transparent figures. Although Wells's novella is an easy read, I wouldn't necessarily recommend it; the better adaptations are improvements overall. That shouldn't be too surprising, though, given that the idea of invisibility is one well suited to a visual and audial art form such as cinema. The letter motif and the business of an "invisible" narrator of the book may be (and has been) easily replaced by more cinematically-reflexive constructions, too.

(Note: Superheros and Cheshire Cat-inspired invisibility not included, and I've intentionally not gone out of my way to see some of the more kiddie-looking, direct-to-video or TV variations.)