A Lesson In Deceit — Gillian Larkin

Julia Blake runs her own cleaning company. She has the unfortunate habit of finding murdered people.
In this story, Julia travels to Edinburgh University to visit her son, Sam. It's not long before she stumbles upon a dead body. Julia is happy to leave the murder investigation to the police â€" until her son becomes one of their suspects. Julia has no option but to get herself involved, despite the danger she puts herself in.