Start with high-confidence renaissance ya books, then narrow by subgenre or adjacent topics.
Da Vinci's Tiger
L. M. Elliott
The Smile
Charlotte Miller, Donna Jo Napoli
Doomed Queen Anne
Carolyn Meyer
Patience, Princess Catherine
I, Juan De Pareja
Elizabeth Borton De Trevino
An Assassin's Guide to Love and Treason
Virginia Boecker
The Apprentice
Pilar Molina Llorente
Daughter of Venice
Donna Jo Napoli
Prince of Shadows
Rachel Caine, Kyle McCarley
The Wild Queen
Everything Is Poison
Joy McCullough
Medici Heist
Sara Alexander, Caitlin Schneiderhan
Leonardo's Shadow
Christopher Grey, Christopher Peter Grey
Ophelia
Lisa Klein
