'The Marshal and the Murderer' by Magdalen Nabb is a gripping mystery set in Florence, featuring Marshal Guarnaccia in a complex murder investigation. This novel combines rich Italian culture with a dark crime story, perfect for fans of thoughtful and atmospheric mysteries.

'The Locked Room' is a gripping mystery novel that explores an impossible crime scenario, where a detective must unravel the truth behind a murder in a sealed room. With its intricate plot and deep psychological insights, this book is a must-read for mystery enthusiasts.

'An Advancement of Learning' by Reginald Hill is a masterful mystery set in an academic environment, where Detective Superintendent Andy Dalziel uncovers dark secrets and solves a murder that shakes the foundations of a college. A compelling blend of wit, suspense, and intricate plotting.

'Sunday Hangman' by James Mcclure is a riveting crime novel set in apartheid-era South Africa, featuring Lieutenant Tromp Kramer and Sergeant Mickey Zondi as they solve a series of murders linked to a mysterious hanging. A blend of suspense and social commentary, this book is a must-read for mystery enthusiasts.