Is there a secret tunnel in O'Connell Street? Who stole the Irish crown jewels? And did the word 'quiz' originate in Dublin as the result of a bet? Urban legends are the funny and frightening folklore people share today. Just like the early folk tales that came before them, these stories are formed from reactions to events in the modern world, and are often a window into our current values. For the first time, Brendan Nolan explores the power of Dublin's urban legends – murky stories whispered in classrooms and backstreets, and ripping yarns passed on across the bar. Urban legends may sometimes just be the best of rumours, but the real question is about the truth that lies behind them?