Chris Priestley

Alex joins his father on a business trip to Amsterdam. With a friend he visits the usual sights but also coffee shops and flea markets off the beaten track. At one of these markets Alex spots an ancient-looking mask. Before he knows what he's doing he buys it. Later, when he puts the mask on, Alex is sucked into a parallel Amsterdam, one from centu

A boy, a mysterious guardian and a haunted house with a terrible secret - this is a chilling ghost story that will thrill and terrify and get read again and again and again.