There is a link for posting comments/feedback on the main arxiv page: https://docs.google.com/document/d/160G9OFcP5DWT8Stn7TxdVx83DJnnf7d5GML0_FOD5Wg/edit https

There is a link for posting comments/feedback on the main arxiv page: https://docs.google.com/document/d/160G9OFcP5DWT8Stn7TxdVx83DJnnf7d5GML0_FOD5Wg/edit https://docs.google.com/document/d/160G9OFcP5DWT8Stn7TxdVx83... There are ~381 comments there already, please post yours: it looks like the authors are genuinely interested in listening to feedback and addressing them perhaps in future revisions of the book.