We’ve all been there. One minute you’re idly glancing over a 17th Century map of East Asia in Oxford University’s Bodleian Library, the next you’ve spotted some faint lines which mark it out as the oldest Chinese maritime merchant map still in existence. Hurrah! But what to do with such a find to capture the attention of people around the world? Step forward discoverer Robert Bachelor, a British History professor, who knew exactly what – he’s only turned it into an effing board game.