The document describes the Founder's Workbook, an online companion to the book The Startup Owner's Manual. The Workbook provides founders with over 57 checklists to guide them through the customer development process. Users can subscribe for $9.95 per year and access the checklists organized by chapter. They can track their progress by checking off items as completed and adding notes. The Workbook is endorsed by the authors of The Startup Owner's Manual, Steve Blank and Bob Dorf.