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.

"It's Dr. Kay Scarpetta's birthday, and she's about to head to Miami for a vacation with Benton Wesley, her FBI profiler husband, when she notices seven pennies on a wall behind their Cambridge house. Is this a kids' game? If so, why are all of the coins dated 1981 and so shiny they could be newly minted? Her cellphone rings, and Detective Pete Marino tells her there's been a homicide five minutes away. A high school music teacher has been shot with...

Eliza Benedict's peaceful suburban life is shattered after she is contacted by Walter Bowman, the man who kidnapped and held her hostage as a teen in 1985, and who now claims to want forgiveness while on death row.