Start with high-confidence retellings & pastiche books, then narrow by subgenre or adjacent topics.
The Further Observations of Lady Whistledown
Julia Quinn, Suzanne Enoch
Confessions of an Ugly Stepsister
Gregory Maguire, Jenny Sterlin
Jacques and His Master
Milan Kundera
Jane in Love
Rachel Givney
Beautiful Little Fools
Jillian Cantor
The Rushworth Family Plot
Claudia Gray
The Other Bennet Sister
Janice Hadlow
Lost in Austen
Emma Campbell Webster
The Strange Case of Eliza Doolittle
Timothy Miller
Ladies in Waiting
Adriana Trigiani, Sarah MacLean
