Errors in punctuations and inconsistent hyphenation were not corrected unless otherwise noted below:
Throughout the book, "avalanch" was replaced with "avalanche".
On page 56, the single quotation mark was removed from the block-quoted paragraph.
On page 116, "denial of of" was replaced with "denial of".
On page 230, "Amercan" was replaced with "American".
On page 296, "air-cirlces" was replaced with "air-circles".