Books by Theodor Richardson
Microsoft Excel Functions and Formulas with Excel 2019/Office 365
Microsoft Office 2013 / 365 and Beyond
Microsoft PowerPoint 2013 / 365
Microsoft Office 2010 and Beyond, Video
Microsoft Word / Excel 2013 / 365
Microsoft Word and Excel 2013/365
Secure software design
Keyboarding And Beyond
Multimedia Web design and development
Microsoft Office and Beyond