Impossible - Scarborough Fair Trilogy, #1

Scarborough Fair trilogy, Book 1 - A New York Times bestseller.  Lucy Scarborough is seventeen when she discovers that the women of her family have been cursed through the generations, forced to attempt three seemingly impossible tasks or to fall into madness upon their child's birth. But Lucy is the first girl who won't be alone as she tackles the list. She has her fiercely protective foster parents beside her.
And she has Zach, whose strength amazes her more each day. Do they have enough love and resolve to overcome an age-old evil? Inspired by the ballad "Scarborough Fair, " the New York Times bestseller Impossiblecombines suspense, fantasy, and romance to tell a story of love and family conquering all.