A Different Shade Of Death — Gillian Larkin

A short cozy mystery about a murdered ghost.

Ever since the car accident that claimed her parents' lives Grace Abrahams has been able to see ghosts. She meets them at storage locker auctions that she goes to with her brother, Frankie.
In this story Grace meets the ghost of a middle aged business man â€" Charlie Ford. It's soon clear that he has been poisoned. Charlie's wife, Amy, seems to be the number one suspect but as Grace delves deeper into the mystery she discovers that other people had motives to kill Charlie too.
Charlie was murdered in an old house, the house not only hides the murderer's identity but also a deadly secret from the past.