Crystal Press

year of pub­li­ca­ti­onISBNauthor(s)title
2003978-0-9632123-2-0John BaxterStraight Talk About Window Cleaning Bidding
  ''978-0-9632123-3-7John BaxterHow To Clean Windows Like The Pros
2007978-0-9632123-6-8   ''The Window Cleaning Business
  ''978-0-9632123-7-5Brigitte A. ThompsonFederal Income Tax for Window Cleaners