I recently read The Library of Shadows by Mikkel Birkegaard and would recommend it
From Amazon:
The Library of Shadows
Imagine that some people have the power to affect your thoughts and feelings through books. They can seduce you with amazing stories, conjure up vividly imagined worlds, but also manipulate you into thinking exactly what they want you to.
When Luca Campelli dies a sudden and violent death, his son Jon inherits his second-hand bookshop, Libri di Luca, in Copenhagen. Jon has not seen his father for twenty years since the mysterious death of his mother. When Luca