Series
There are 23 books in the William Monk series.
A Victorian detective wakes with amnesia after an accident, remembering nothing of his former life or identity. As he investigates a brutal murder in London's upper circles, he must simultaneously reconstruct who he was — and face the unsettling possibility that he may not like what he discovers. Me
All 23 books total 9,081 pages.
The Books Oracle — track the series you are partway through, and see what to read next.