"Have you ever wanted to die? Have you ever ventured right to the brink only to pull back at the last minute? Well, Ovenheads Incorporated is that friendly pat on the back that tips you over the edge." Meet Ovenheads Inc. They kill people. "You're telling me that everybody dies. And I'm telling you that I can't. You can flash forward a trillion years and as many more besides and I'll write you a postcard cos I've watched the universe darken but me, I'm hanging in there." Meet December. She's immortal and she wants to die. "Death isn't a comfort, it's not a relief or a release. It's a cold,...