Boatman's Quarterly review: "It will keep you on the edge of your easy chair. You'll want to read this Amos Burg book by Vince Welch more than once, that's for sure." What is this thing in me that enables me to leave comforts and a wide variety of entertainments and feel a strange satisfaction wandering down a cheerless and indifferent river, enduring hardships and eating very little and exposed to all sorts of weather . . . tonight even as...