In the aftermath of the 1906 San Francisco earthquake, twelve-year-old Clara finds a baby left on the doorstep of her family's boarding house, and sets out to unravel the surrounding mysteries.
In 1878, twelve-year-old Ida Kate and her widowed father welcome a mail-order bride and her baby to their Kansas homestead, but Ida Kate soon suspects that the bride is not the woman with whom Papa has corresponded.
When Johnny Dixon takes a tiny skull from a haunted dollhouse, demonic forces are released,capturing Professor Childermass and leading Johnny on a harrowing chase to a deserted island off the coast of Maine.
Watchmaker-mouse Hermux Tantamoq enters the exciting and somewhat shady world of show business to investigate a mysterious blackmailer at the Varmint Theater.