Hybris Anyway! The original 1930 editions of the first four Nancy Drew novels are public domain now! https://standardebooks.org/ebooks/carolyn-keene/the-secret-of-the-old-clock https://standardebooks.org/ebooks/carolyn-keene/the-hidden-staircase https://standardebooks.org/ebooks/carolyn-keene/the-bungalow-mystery https://standardebooks.org/ebooks/carolyn-keene/the-mystery-at-lilac-inn (The revised editions from the 1950s and 1960s are still under copyright, of course.)
