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This novel is in the science fiction genre of science run amok, such as Mary Shelley's ''Frankenstein'' (1818).  Another science fiction novel from the 19th century is Jules Verne's ''Twenty Thousand Leagues Under the Sea'' (1870), and  

This novel is in the science fiction genre of science run amok, such as Mary Shelley's ''Frankenstein'' (1818).  Another science fiction novel from the 19th century is Jules Verne's ''Twenty Thousand Leagues Under the Sea'' (1870), and  

Today it is in the [[public domain]] and freely accessible online.<ref>https://www.gutenberg.org/files/5230/5230-h/5230-h.htm</ref>

Today it is in the [[public domain]] and freely accessible online.<ref>https://www.gutenberg.org/files/5230/5230-h/5230-h.htm</ref> Its word length is on the short side for a full-length novel: 44,660 words.

Its vocabulary is good development for high school students.<ref>https://www.vocabulary.com/lists/a5xqnzrk/invisible-man</ref>

Its vocabulary is good development for high school students.<ref>https://www.vocabulary.com/lists/a5xqnzrk/invisible-man</ref>