Once Upon a Broken Heart by Stephanie Garber

Once Upon a Broken Heart by Stephanie Garber
The first book in the Once Upon a Broken Heart series, it follows Evangeline Fox, who makes a desperate bargain with the Prince of Hearts, Jacks, to stop the marriage of the boy she loves. But every deal with Jacks comes at a dangerous price, leading her into a world of curses, magic, and twisted fairytales.