"Boys on Motor Boats on the St. Lawrence River, or Solving the Mystery of the Thousand Islands" is an exciting adventure written by the famous writer Louis Arendelle. In this book, readers go on an incredible journey together with the heroes - boys on motor boats. They embark on an exploratory trip down the St. Lawrence River, where they encounter the true mystery of the Thousand Islands. Solving mysterious cases and dangerous adventures, the boys prove that even the most difficult situations can be solved thanks to friendship, courage and ingenuity. Will they be able to uncover the secrets of the mysterious islands? Find out as you flip through the pages of this fascinating book.