Punctuation, hyphenation, and spelling were made consistent when a predominant preference was found in this book; otherwise they were not changed.
Simple typographical errors were corrected; occasional unbalanced quotation marks retained.
Ambiguous hyphens at the ends of lines were retained.
The hierarchy of the Table of Contents has been used as the guide to the rest of the book, even though the two sometimes differ.
Index not checked for proper alphabetization or correct page references.
Page [26]: “P R S” has an underline below “P” and a double-underline below “R”.
Page [34]: “flexed far toward” perhaps should be “forward”.
Page [79]: “as well all the details” may be missing “as” after “well”.
Page [117]: “all vertebra above, so to speak” perhaps should be “vertebrae”.
Page [147]: “this move is predicated” was printed as “this more was predicated”; changed here.