Secrets of Redemption books in order
Can be read in published (preferred) order, or chronological order.
Preferred Order
The Room at the Top of the Stairs (release date September 2023)
The Search (release date December 2023)
The Secret Diary of Helen Blackstone (prequel but can be read at any time).
The Third Nanny is a standalone, separate book.
Chronological Order
The Secret Diary of Helen Blackstone (prequel – 1929).
The Summoning (1987)
The Reckoning (1987)
It Began With a Lie (Present Day)
This Happened to Jessica (Present Day)
The Evil That Was Done (Present Day)
The Girl Who Wasn’t There (Present Day)
The Room at the Top of the Stairs (Present Day)
The Search (Present Day)
The Third Nanny is a standalone, separate book.
Charlie Kingsley Mysteries books in order
The Charlie Kingsley books can be read as standalone books, but you may enjoy the series more by reading them in order (they take place in the 1990s).
Loch Ness Murder (also included in the Mysteries, Midsummer Sun and Murders cozy mystery anthology and can be read as a standalone).
A Grave Error (a prequel that can be read at any time).
The Riverview Mysteries
These are standalone books, so there is no particular order.
Today I’ll See Her (a short story).