Rebecca Podos

On her seventeenth birthday, Hannah Williams begins exhibiting impossible, temporary mutations-- gills one day and horns the next-- that are the consequences of a desperate bargain her mother made with a sheyd decades ago, and to break the family curse, Hannah and her brother track down their mother's estranged family and discover a legacy that traces back to the Golem of Prague.

When her father is diagnosed with Huntington's disease, eighteen-year-old Vanni abandons her plan to flee her small New Mexico hometown after high school graduation and instead spends the summer keeping herself busy with part-time jobs and boys, but that changes after she meets Leigh, whose friendship dares Vanni to ask herself big questions and make new plans.