The Judgement Book — Simon Hall

The race is on for crime fighting reporter Dan Groves and his detective friend Adam Breen as they are caught in a blackmailer's web of sordid sex secrets which has already forced public figures to take their own lives. "The Judgement Book" is just a pocket diary, but festering with so much sin and scandal. First an MP, then a senior police officer kill themselves after The Book exposes their sordid secrets of sex and corruption. Scores more prominent people wait fearfully to see what will be revealed about the darkness of their own lives. Then Dan and Adam discover they too are in The Book and are forced into a desperate race to find the blackmailer, to stop them exposing the secrets which would destroy their own futures.