Books like Demon Babysitter by Annie Graves

What price is too high to pay, even for love? Plunge into the fifth installment of the internationally bestselling Mortal Instruments series and “prepare to be hooked” (Entertainment Weekly). The New York Times bestselling Mortal Instruments continues -- and so do the thrills and danger for Jace, Clary, and Simon. What price is too high to pay, even for love? When Jace and Clary meet again, Clary is horrified to discover that the demon Lilith’s magic has bound her beloved Jace together with her evil brother Sebastian, and that Jace has become a servant of evil. The Clave is out to destroy Sebastian, but there is no way to harm one boy without destroying the other. As Alec, Magnus, Simon, and Isabelle wheedle and bargain with Seelies, demons, and the merciless Iron Sisters to try to save Jace, Clary plays a dangerous game of her own. The price of losing is not just her own life, but Jace’s soul. She’s willing to do anything for Jace, but can she still trust him? Or is he truly lost? Love. Blood. Betrayal. Revenge. Darkness threatens to claim the Shadowhunters in the harrowing fifth book of the Mortal Instruments series.

Irish orphan siblings Molly (14) and Kip (10) travel to England and take up servant positions in a decaying manor, where they encounter a mysterious stranger and uncover the house's dark secrets.

When a series of brutal hotel‑night murders rocks a small town, each victim shares one chilling link: Alice was their babysitter. When she misses a job and a replacement is killed, Alice must uncover the killer before she becomes the next target.

Kernel Fleck discovers he can see and open a portal to a demon world, gaining strange powers that make him a Disciple tasked with hunting deadly Demonata.

In a world where magic and betrayal collide, Clary must decide if she will risk everything—and perhaps even her own soul—to save her beloved Jace, who has been bound to evil by the demon Lilith and his brother Sebastian.

When a window into a demon world opens in Kernel Fleck's life, he discovers a rare gift that forces him to become a Disciple and hunt the powerful Demonata to protect humans.

During a Halloween gathering, Jimmy and friends hear chilling, supposedly true tales—of a hook‑handed lunatic, a haunted hitchhiker and a ghost mother—all set against a backdrop of urban legend lore.

The final chapter of Darren Shan’s Demonata series where the battle with demons reaches a cataclysmic climax.

After a world‑shattering apocalypse, Bec returns to confront the Demonata, only to discover that the demons are not alone and that the threat of Lord Loss has shifted into something far darker.

The Dollanganger Family Series: A Thriller with Family Secrets and Unpredictable Villains