Sealed With a Loving Kill — Roger Ormerod

It seemed a simple case for David Mallin - to find a missing wife, with all the clues handed to him. However, the second part of the assignment proved more difficult - to find out why she went missing. Then the case crumbled away into tragedy, and the woman's death was only the beginning of the mystery. Why did she die, and how could she come between David and his brand-new wife, Elsa?