He'd started reading it and somehow lost it!
Eventually I asked for details of the plot to help me narrow down the choices.
He said 'It's the one where Rebus has retired'
No wonder I couldn't find it, the Rebus books are written by Ian Rankin!
We've moved the boat today and filled the water tank. This entailed going through a lock and a swing bridge, winding,( turning round) an...