In Vino Veritas — J.M. Gregson

The new Lambert and Hook mystery - Martin Beaumont is the uncompromising owner of a successful Gloucestershire vineyard. He has built the company steadily over the years, with a small but dedicated team by his side. However, he sees Abbey Vineyards as his company, to do with as he pleases, much to the chagrin of his senior staff members. So when he is found dead in his car, Chief Superintendent Lambert and DS Hook don't have to look very far to find people with strong motives for the murder . . .