The Word Is Murder by Anthony Horowitz

SHE PLANNED HER OWN FUNERAL. BUT DID SHE ARRANGE HER MURDER?
Buried secrets, murder and a trail of bloody clues lie at the heart of Anthony Horowitz’s new detective series.

A wealthy woman strangled six hours after she’s arranged her own funeral.
A very private detective uncovering secrets but hiding his own.
A reluctant author drawn into a story he can’t control.
What do they have in common?