Peter G. Aitken has written some 45 books and hundreds of articles on computer topics. His consulting firm, PGA Consulting, focuses on services involving Excel, including programming, custom templates, and troubleshooting. Peter is the coauthor of
Excel 2007 Formulas and
Functions For Dummies (Wiley).
John Walkenbach, Series Editor, has written more than 30 Excel books, including Excel 2007 VBA Programming For Dummies and Excel 2007 Bible, also from Wiley. Visit his popular Spreadsheet Page at www.j-walk.com/ss.