Vampires, werewolves, witches, shapeshifters -- they live among us without our knowledge. Night World is their secret society, a secret society with very strict rules. And falling in love breaks all the laws of the Night World. In "Dark Angel," Gillian is saved from drowning by her guardian angel. Only visible to Gillian, Angel will fulfill her heart's every desire. But when Angel starts making strange and sinister requests, Gillian must question...