it was written by leif enger whose book is now out. minnesota. it almost never happened, following a mortal scare for the author. to put this book together, enger used his own harrowing experience to weave a tale about cinema, friendship, and second chances. ♪ minnesota is land of more than 10,000 lakes, none of them are superior to this. ♪ the largest freshwater lake in the world covers 31,000 square miles. lake superior, famously swallowed the "ss edmund fitzgerald" years ago, memorialized in gordon lightfoot's classic song. ♪ later that night when its lights went out of sight ♪ ♪ in the wreck of the edmund fitzgerald ♪ >> reporter: now superior serves ads the starting point for leif enger's moving novel. >> lake superior for me exerts a real attraction, just a magnetic pull. when i'm near it, i'm happy. >> reporter: it's this beast. >> it is. can you see it? you're new here -- >> reporter: you can't miss it. enger's book begins when the main character who runs a small theater on minnesota's north shore, not unlike the west theater in