Series
The Molly the Maid series has 3 books.
Molly, a meticulous hotel maid with an unusual perspective on the world, discovers a guest dead in his bed and becomes entangled in secrets she can't quite decipher. Prose delivers a charming, poignant mystery about seeing clearly in a world built on deception.
The Books Oracle — track the series you are partway through, and see what to read next.