It's Christmas in the English village of Finch, and Lori Shepherd is excited about Emma Harris's holiday bash. After scatterbrained Tilly Trout gets her car stuck in a ditch, she is invited to stay the night. Remarkably, Tilly enters the manor's most mysterious room and discovers a hidden compartment containing a gold treasure. Emma didn't know about this secret, so how did Tilly? With Aunt Dimity's otherworldly help, Lori and friends set out to unravel the mystery—their 24th, following The King's Ransom.

"Atherton keeps the suspense high.... Fans and newcomers alike will enjoy spending time in Finch with its endearing residents, earthly and otherwise."—Publishers Weekly