Icebreaker Snow is waiting anxiously at his home port to be called to break the ice in front of ships needing assistance. Suddenly the icebreakers receive a message. A ship needs help immediately. Whose turn is it to take the challenge and leave for a mission on the Gulf of Finland? The Mission on The Gulf of Finland is the first volume in a children's book series on Icebreaker Snow and his friends. Written by Teemu Leppälä, who is a real-life icebreaker operator, sea captain and pilot, the Icebreaker Snow series tells exciting stories that take both children and adults on icy adventures on the seas.