Showing Murder Must Advertise by Dorothy L. Sayers

The best of the golden age crime writers, praised by all the top modern writers in the field including P. D. James and Ruth Rendell, Dorothy L. Sayers created the immortal Lord Peter Wimsey. In his tenth appearance, he takes a job as an advertising copywriter to expose a ruthless killer. With an introduction by Elizabeth George.
Victor Dean fell to his death on the stairs of Pym's Advertising Agency, but no one seems to be sorry. Until an inquisitive new copywriter joins the firm and asks some awkward questions...
Disguised as his disreputable cousin Death Bredon, Lord Peter Wimsey takes a job - one that soon draws him into a vicious network of blackmailers and drug pedlars.
Five people will die before Wimsey unravels a sinister and deadly plot.

'She combined literary prose with powerful suspense, and it takes a rare talent to achieve that. A truly great storyteller.' Minette Walters