H.S. Kallinger Books in Order

Five years after abandoning an ordinary human existence, Zack Henderson has built an unconventional family. A new threat arrives in town, forcing them to confront postponed decisions and defend the life they have created together against encroaching danger.

EMT trainee Zack Henderson heads to Florida, sharing a journey with two college students. A vampire offers survival at a terrible price, drawing them into captivity and forcing Zack to question everything he expected from his life.

Three years after surviving terrible violence, Zack Henderson begins to feel secure in his new life. A hateful attack tears that security apart, forcing him to make difficult choices in a world where humans can be as monstrous as vampires.

A decade after a disastrous train journey changed his life, Zack Henderson remains haunted by the deaths of friends, enemies, and family. Tired of living as prey, he confronts what survival demands in the dangerous world of vampires.

Newly transformed vampires Zack and Sarah return home to discover that their altered nature brings unexpected demands. As they seek their places in an unfamiliar existence, events beyond their control threaten the family they are trying to preserve.

Rising tensions between humans and vampires threaten Zack Henderson’s family as distant warfare reaches closer to home. Drawn far away by successive crises, he must consider whether someone with his past can become the hero others need.

Gabriel Belmont accidentally summons a demon during a troubled period, then finds the determination to build a future. Two years later, a succession of crises threatens that fragile life and the people who helped him create it.

Gabriel Belmont begins college expecting challenges as a queer, neurodivergent student, but his supernatural inheritance creates unforeseen problems. Discovering that he is a blood dhampir forces him to understand a nature no one prepared him to manage.

After a stressful argument, Gabriel recreates the power that once brought him to Lex and lands in another world. Exposure to a werewolf disease complicates his vampirism while he struggles to understand the changes and find his way home.