Curator Irving Finkel may have joined the wrong department to look after the Lewis Chessmen, but that hasn’t stopped him writing a book on them, and having a surprising connection to a film about a certain boy wizard.

This week, six of the iconic Lewis Chessmen went on display at Lews Castle in Stornoway as part of a long-term loan from the British Museum. To celebrate, we’re taking a look at five things you should know about these medieval masterpieces.