内容简介：
John Trenton, artist, put the finishing touches to the letter he was writing, and then read it over to himself. It ran as follows: - "MY DEAR ED., "I sail for England on the 27th. But before I leave I want to have another look at the Shawenegan Falls. Their roar has been in my ears ever since I left there. That tremendous hillside of foam is before my eyes night and day. The sketches I took are not at all satisfactory, so this time I will bring my camera with me, and try to get some snapshots at the falls.