This is a festive season mystery with a funny twist. For a start, there's no snow. But there is a Tiger Shark.

The shark turns up in a land-locked town better known for implausible Tasmanian Tiger sightings than for appearances from monsters of the deep.

The novel is based on an island near the bottom of the world – the Australian state of Tasmania

The story turns the tables on a very unpopular former mayor in the town of Windy Mountain.

This uppity senior citizen is secretly behind a plan to demolish a much-loved Art Deco cafe on the eve of Christmas so that a lucrative tower block can be built in the heart of the town.

But while he thinks he is getting one over the townsfolk, a figure from his past returns to get revenge on him in an elaborate sting with sharp teeth**.**