Leppälä, Icebreaker Snow and The Mystery at Hailuoto

Winter has come. In the Gulf of Bothnia, ice has formed a thick cover on the sea, which means lots of missions for the icebreakers that assist the ships to and from the port. Everything seems fine, a normal day at sea, until... Lighthouse Marjaniemi stares amazed at a gigantic, dark shape in the water. What is going on in the Hailuoto channel? The icebreakers have to be summoned to sort out the mystery. Icebreaker Snow and The Mystery at Hailuoto is the second volume in a children's book...