Important Notes: Includes the following softcover books: 1. Mastering Adjusting Entries 2. Mastering Correction of Accounting Errors 3. Mastering Payroll 4. Mastering Depreciation 5. Mastering Inventory 6. Mastering Internal Controls and Fraud Prevention • Complete preparation for the national Certified Bookkeeper exam! • Double-quiz in every workbook section assures mastery of every skill! • Workbook quiz questions mimic the national exam questions!