Several boats come floating in to Oldpier in Riverton. But where are they coming from? Is something illicit going on at Summer Island?

It’s one of the hottest summer days to date. Tiril and Oliver are sitting on Oldpier relaxing when they spot three boats drifting ashore. With no one on board, there is no way to tell who set the boats adrift, or why. Together with their dog Ocho, the detective duo begins their search for an answer. And the clues soon take them to the shadowy Summer Island…

Jørn Lier Horst & Hans Jørgen Sandnes’ Detective Agency No. 2 series is crime fiction for the youngest – clever, engaging, and full of thrills! Join our heroes Tiril, Oliver and their dog Ocho as they solve mysteries that have even the adults of Riverton scratching their heads.