St Patrick might have been so busy chasing snakes out of Ireland that he forgot to banish Tasmanian Tigers from Donegal.
This might explain how one ends up under the kitchen sink in Book 4 of the Windy Mountain series of novels.
Three old Tasmanian blokes expect to trace family history and inherit a castle when they fly to the land of to-be-sure, to-be-sure - but they get much more than they bargained for.