In these YA books about monster hunting, the monsters aren't always what they seem or what the tropes would have you believe.
Taking a look at the roles eccentric experimenters play in sci-fi, and some of the best books about these characters, for FRANKENSTEIN fans, including Deal With the Devil By Kit Rocha.
These mathematical science fiction books use mathematics in world-building to advance the plot and build characters.
What is it about the girl in the tower trope that has kept it in use since the Medieval era? Consider its function and persistence in YA.