Amusing to hear that Ryanair’s Michael O’Blarney attempted a joke about British Airway’s ill-fated flight to Dusseldorf that ended in Edinburgh offering them a copy of a book, “Geography for Dummies” on Twitter.

This side-splitter was answered by some Twitter wits who tweeted that one book the leprechaun could definitely use would be “Customer Service and Employment Law for Dummies”.

Ouch…