The Man Who Wrote Frankenstein

The Man Who Wrote Frankenstein is a 2007 book written and published by John Lauritsen, which defends the unorthodox hypothesis that the poet Percy Bysshe Shelley, not his wife Mary Shelley, is the real author of Frankenstein; or, The Modern Prometheus (1818). The book also argues that the novel "has consistently been underrated and misinterpreted", and that its dominant theme is "male love."

https://en.wikipedia.org/wiki/The_Man_Who_Wrote_Frankenstein