Cold case / Quintin Jardine.

"When a murder investigation that's been closed for thirty years is suddenly re-opened, former Chief Constable Bob Skinner is quickly drawn into the action. The story of the Body in the Quarry was well-known around Edinburgh all those years ago: a popular priest found dead in a frozen quarry; a suspect with a clear motive charged; a guilty verdict. But with a journalist uncovering new evidence, the cold case has come back to haunt Skinner's old mentor Jimmy Proud -- and only one man can help him. Skinner is long out of the police force, but he can't say no. With the clock ticking, and his friend's reputation at stake, he must uncover the truth to find out if an innocent man was convicted for murder. And if a killer is still on the loose..."-- Publisher's description.