Girl of hearts

A proud nerd and teen scientist, Aggie doesn't believe in gods or in luck. Her OCD is under control - mostly -- and her mom, Rachel, has just finished building a dark matter machine that could win back her job as a physics professor. When Rachel disappears, Aggie's search brings her to the dangerously handsome Jack of Hearts, a demigod with the power to control luck. Rachel may have been captured by bad luck gods. To save her, Aggie must join Jac...