“If you go down to the quay in Stockholm on a summer morning and see a little white boat called Seacrow 1 lying there, that is the right boat to take and all you have to do is go on board. For at ten o’clock precisely she will ring her bell for departure and back out from the quay. She is now setting out on her usual trip, which ends at the island that lies the farthest out in the sea of all the islands in the Stockholm archipelago.”