Just read " Lost on the Appalachian Trail" by Kyle Rohrig. If you are wondering about reading this book, don't bother. The author tries to copy Bryson. There are some fun parts and some ok reading, but it's a crude attempt. Who cares what position is good for taking a crap? The author has never heard of LNT; he creates campsites and fire pits where none existed, when his dog tangles with a cow pie, he bathes it in the nearest stream. When he has a diarrhea attacks and messes himself, he bathes in the nearest stream. He camps in alpine areas, including the summit of Liberty in the Whites and kills a rattlesnake just to see what it would taste like, but then complains about all the ticks he finds on his body.
There are far better books and better writing out there.