Exercise problem collection covering all 60 lessons of MOS Excel 365 & 2019. - Title: Well-Understood Master MOS Excel 365 & 2019 Practice Text & Problem Collection - Contents: Exercise problems and explanations - Publisher: FOM Publishing - Accessories: Includes CD-ROM - Number of Lessons: 60 lessons total Thank you for viewing. This is a text to prepare for the Excel certification required for work. There are some writings, but it's for those who want to get it cheap.