The cult calling itself the Children of Osiris - COO or just COO-ism for short - finds itself battling over its High Prophet and the question of who should succeed him - a battle that will prove to be quite deadly.

The party ended early, as guests ran to escape a powerful blizzard. But they couldn't escape a determined killer.

Gregory Matthews was a singularly nasty and unpleasant person - but was that motive enough for somebody to poison him?

When Councillor Henry Grayling got off the train, he was carrying a payroll. When he got to his house, the payroll was missing - and the councillor was dying, apparently of poison.