Recent Changes

  • May and June 2021: Extensive formatting of all units.
  • 8/11/2020: Formatting done in units 12-18.
  • 8/10/2020: Formatting done in unit 11
  • 8/6/2020:
    • About this Book and Author’s Note and Online Edition pages updated
    • Extensive formatting done to improve visual appearance in units 1-10
  • 8/5/2020: Print Textbook page title changed to Offline Textbook
  • July 2020: Major edits, including corrections of typographical errors, were made throughout the text