: A sidebar that tracks the "Vengeance Spell" progress and the location of the magical timepiece, which is the only artifact connecting the heirs of Elden.
: As Nicolai is a "sex slave" stripped of his memories in the kingdom of Delfina, the eBook could feature "unlockable memories" that trigger as readers reach specific plot points, providing deeper lore about the fall of the Kingdom of Elden. Der Vampirprinz Showalter, Gena epub
Since the novel is the first installment in a unique four-part series where each book is written by a different author—including Gena Showalter , Jill Monroe, Jessica Andersen, and Nalini Singh—an integrated tracking feature would help readers maintain continuity across the shared world. : A sidebar that tracks the "Vengeance Spell"