Jessica Bannister and the Evil Within by Janet Farell

As an intrepid reporter for one of London's most widely read tabloids, Jessica Bannister is certainly no stranger to danger and often ends up in dicey situations of the supernatural variety while attempting to bag her next scoop, but when her adversaries have the ability to turn a friend into a foe, she finds herself in a whole new level of peril, unable to trust those closest to her and occasionally even herself! A revelation about her past makes her re-evaluate her supernatural gifts and once again she is left wondering whether they are a boon or a bane, and what exactly the trail of death left in their wake means for her future. While she wrestles with all of these existential questions about the nature of her powers, she finds herself haunted by sinister monks, long-dead serial killers, and perhaps most perplexing of all, unusually vicious swans. What terrifies her the most, however, is the evil that lurks in the hearts of man, and how easy it is for it to bubble up to the surface.