97 books • 9 series
Chessmen of Doom (Johnny Dixon, #7) (John Bellairs Mysteries)
The Trolley to Yesterday (Johnny Dixon, #6) (Johnny Dixon Mystery) (John Bellairs Mysteries) (John Bellairs Mysteries)
The Mummy, the Will, and the Crypt (Johnny Dixon Mystery) (Johnny Dixon, #2) (John Bellairs Mysteries) (Corgi books)