When dinosaur bones from a recent dig mysteriously go missing, and an unidentifiable beast starts attacking animals and people, leaving their mangled bodies behind, Abigail and her eccentric employer R.F. Jackaby, investigators of the supernatural in 1892 New England, find themselves hunting for a thief, a monster, and a murderer.

When a new monster, who feeds on chaos and brings out its victim's inner demon, emerges from the shadows, Kate finds herself lured home to face a monster she thought she killed, a boy she thought she knew, and a demon all her own. August Flynn is a monster who can never be human, and in Verity he has become the leader he never wished to be. Kate Harker is a girl who hunts monsters, and in Prosperity she has become a ruthless hunter. When a new monster...

In a post-apocalyptic world where nothing is as it seems, seventeen-year-old Amy and Baby, a child she found while scavenging, struggle to survive while vicious, predatory creatures from another planet roam the Earth.