A gothic murder mystery set in gritty Victorian-era London, where an intrepid society girl finds herself embroiled in the investigation of a serial killer known as Jack the Ripper.

"A math-whiz from a trailer park discovers she's the only student capable of unravelling complex clues left by a serial killer who's systematically getting rid of her classmates"--

Wren, the ghost of a girl who died at birth, and Lark, her depressed misfit living twin, help a boy who saves Lark from a suicide attempt and who is being threatened by the malevolent spirit of a long-dead serial killer.

"Kit, a seventeen-year-old moral nihilist serial killer, chooses who to kill based on anonymous letters left in a secret mailbox, while simultaneously maintaining a close relationship with the young detective in charge of the murder cases"--

"Rory, a girl in witness protection, thinks the serial killer she turned in has found her and is killing people around her. But as she investigates, she discovers a dark, disturbing truth about her new hometown"--

In 1889, the ship Etruria departs Liverpool, England, for New York carrying Audrey Rose Wadsworth and her crime-solving partner, Thomas, a famous escape artist, and a cold-blooded killer.

Newly arrived in 1892 New England, Abigail Rook becomes assistant to R.F. Jackaby, an investigator of the unexplained with the ability to see supernatural beings, and she helps him delve into a case of serial murder which, Jackaby is convinced, is due to a nonhuman creature.

When two girls go backpacking deep in the woods of the Pisgah National Forest in the Blue Ridge Mountains, things go very wrong when they cross paths with a serial killer. Best friends Neena and Josie spent high school as outsiders, but at least they had each other. Now, with college and a two-thousand-mile separation looming on the horizon, they have one last chance to be together: a three-day hike deep into the woods of the Pisgah National Forest....