Who is Marcus Finch? is a promotion campaign by the US publisher of Richelle Mead's Bloodlines series. It began January 22 and ends February 12. Each day (minus the weekends) the bloggers participating in the event post a clue about Marcus Finch who finally makes an appearance in The Indigo Spell. Some of these hints are things we already know, while some are things we never knew before. There are some pretty interesting clues about him. All 15 clues are posted below.