Grave Doubts / Heaven Sent (The Mediator, #5-6)

Meet Susannah Simon: she's a typical teenage girl who just happens to be a ghost-hunter...oh, and she's also dead-over-heels for Jesse - the sexiest spook ever! But can this girl get her ghost? In "Grave Doubts", Suze has to contend with fellow ghost-hunter, Paul Slater, who gives her a deadly ultimatum. Unless she dates him, he'll send Jesse into the afterlife - for good. Paul may be totally hot, but Susannah Simon will not be bossed around. Let the games begin...In "Heaven Sent", all Suze's dreams have come true - she's finally dating the most gorgeous ghost of all time, Jesse! But when her creepy admirer threatens to travel back in time and stop Jesse from dying, Suze is distraught. Will her new boyfriend choose life or love?