Originally published as The Ways of Death.Out on the jagged Northumbrian coast, violent storms uncover an ancient sea cave.The place has been sealed up for millennia. No way in or out. Now Arnold must explore its murky depths. When he does, he stumbles on something impossible.A heap of human remains and rotten clothing. Along with one tiny silver ID badge.Whoever killed the owner - twenty years ago - found the ultimate place to hide their crime. But how did they do it?The man’s death is a fiendish puzzle that Arnold can’t fathom. Especially when a second body turns up in the very same location.A case of history repeating itself? An uncanny coincidence? Or what?The deeper Arnold gets, the more he fears the past and the present are horrifyingly intertwined.And someone out there will stop at nothing to keep their secret.