The Kiss of Death by Marcus Sedgwick
Marcus Sedgwick's tale of Venice and vampires is a captivating companion volume to the bestselling My Swordhand is Singing. Marko and Sorrel meet in Venice for the first time. They must uncover the mystery of what has happened both to Sorrel's father, plagued by a strange madness that prevents him from sleeping, and to Marko's father, a doctor, who has mysteriously gone missing after travelling to Venice to help his old friend. Years on from My Swordhand is Singing and Peter is still on the trail of the Shadow Queen. His search leads him to Venice, a city whose beauty disguises many ugly secrets. The Shadow Queen is there, gathering strength, recruiting a new army of the Undead for a final confrontation. This fabled city with its lapping waterways, its crumbling magnificence, dark, twisting alleyways and surprising piazzas is the perfect setting for Marcus's captivating gothic novel of love and loss in C18th Venice.