Demon Count Series by Anne Stuart

Young, impetuous Charlotte Morrow was embarking on a new life in Venice, the City of Lovers. Newly orphaned, yet filled with more excitement than grief, she had barely arrived in the cosmopolitan city when Holger von Wolfram, the dashing Austrian captain, Jean Baptiste, the French aristocrat, and Mark Ferland, the handsome British officer, made known their desires to possess her golden-haired beauty... moreYoung, impetuous Charlotte Morrow was embarking on a new life in Venice, the City of Lovers. Newly orphaned, yet filled with more excitement than grief, she had barely arrived in the cosmopolitan city when Holger von Wolfram, the dashing Austrian captain, Jean Baptiste, the French aristocrat, and Mark Ferland, the handsome British officer, made known their desires to possess her golden-haired beauty. But at Edentide, her guardian's immense palazzo on the Grand Canal, Charlotte soon had reason to regret she had ever left England. She was a prisoner trapped in amaze of mysterious corridors and dark, mirrorless rooms. Between sunset and sunrise, in a nightmare world of evil, she was helplessly drawn to the passion of the Prince of Darkness - the Demon Count less

Young and free-spirited, Luciana longed to escape the superficial glitter of London and embrace the romance of Venice as her mother had done twenty years before. Now, like an irresistible enchantment, the Great City of Canals beckoned the tall, raven-haired beauty, who seemed to know she must follow in her mother's footsteps to discover her own heart's desire. As a bold adventuress, Luciana arrived in strife-torn Italy embarked on a secret mission... moreYoung and free-spirited, Luciana longed to escape the superficial glitter of London and embrace the romance of Venice as her mother had done twenty years before. Now, like an irresistible enchantment, the Great City of Canals beckoned the tall, raven-haired beauty, who seemed to know she must follow in her mother's footsteps to discover her own heart's desire. As a bold adventuress, Luciana arrived in strife-torn Italy embarked on a secret mission. Searching for the mysterious Tonetti, fleeing sinister General Eisenhoph, she had no sooner arrived than she was enmeshed in a web of intrigue and danger - danger that stirred her heart and marked her destiny with the reckless daring that made her the Demon Count's daughter. less