Joan Lowery Nixon books in order
21 books in the catalogue, about 64 hours of reading in all; the shortest takes 35 minutes and the longest 4 hours.
1 series and 20 standalone books in the catalogue.
Orphan Train Adventures
5 books 1 
A Family Apart 3.0 h
A Family Apart 3.0 h 2 Caught in the Act length not known
3 In The Face of Danger length not known
4 A Place to Belong length not known
5 A Dangerous Promise length not known
Standalone books
The Halloween Mystery 35 min 
The Kidnapping of Christina Lattimore 3.5 h 
The Seance 3.2 h 
A Deadly Game of Magic 2.9 h 
The House on Hackman's Hill 2.3 h 
The Other Side of Dark 3.4 h 
Haunted Island 2.3 h 
The Dark and Deadly Pool 3.3 h 
In the Face of Danger 2.8 h 
Secret, Silent Screams 3.4 h 
Whispers From the Dead 3.4 h 
A Deadly Promise 3.1 h 
Land of Hope 3.1 h 
The Weekend Was Murder! 3.8 h 
The Name of the Game Was Murder 3.3 h 
Spirit Seeker 3.6 h 
Murdered, My Sweet 3.7 h 
The Haunting 3.4 h 
Who Are You? 3.4 h 
Nightmare 3.1 h