Earth, Air, Fire and Custard by Tom Holt
J.W. Wells seemed to be a respectable establishment, but the company now paying Paul Carpenter's salary is, in fact, a deeply sinister organization with a mighty peculiar management team. Paul thought he was getting the hang of it - particularly when he fell head over heels for his strangely alluring colleague, Sophie - but death is never far away when you work at J.W. Wells. Our love-struck hero is about to discover that custard is definitely in the eye of the beholder. And that it really stings.