Friends · S5 E9Sleuthed by @shelfsleuth
Friends · S5 E9 · Rachel Green · Phoebe and Rachel's literature class
Rachel's borrowed homework: Jane Eyre
Charlotte Brontë published it in 1847 under the name Currer Bell, so the author was hiding something before Rachel ever showed up. Jane is a governess with a spine of steel, the closest this book comes to a cyborg.
Sources: The One With Ross's Sandwich, Friends transcript · Here Are All the Books in FRIENDS, Book Riot · The One With The 5 Best Bookish Moments on FRIENDS, Book Riot · Could We BE Any More Literary? The Top Nine Bookish Episodes of Friends, Quirk Books · Every Time A Book Was Referenced On Friends, TVOvermind