Something is terrorising the people of Transylvania.Attacking from the shadows, before disappearing into the night, leaving only - The Mark of the Vampire!Count Dracula must confront his past and prove his innocence before it's too late - in his most perilous adventure yet!This third book in the 'Dracula Investigates...' series contains an illustrated adventure story, an amusing poem and a solve it yourself mystery where you can be the detective! There is also a bonus puzzle section to test your brain!