Wicked novels (Lisa Jackson)

"Twenty years ago, wild child Jessie Brentwood vanished from St. Elizabeth's high school. Most in Jessie's tight circle of friends believed she simply ran away. Few suspected that Jessie was hiding a shocking secret-- one that brought her into the crosshairs of a vicious killer-- Two decades pass before a body is unearthed on school grounds and Jessie's old friends reunite to talk. Most are sure that the body is Jessie's, that the mystery of what...

"Private investigator Ravinia Rutledge, when a dead body is found with her phone number and the words 'Next of Kin,' returns to Siren Song--a place marked by unexplained deaths and tragedies where she must stop a monster from her past from killing each and every member of The Colony"--