There's a new postman in Doggeroo - and he doesn't know the rules of the Postman Game.
Not only does he accuse Foxie of biting him, but also he calls Jack a mongrel! And when Fat Molly Cat from the library comes to stay with Aunty Tidge, things don't get any better. What did Jack find caught on the fence? Will it help him solve the case of - the lying postman?
