John Walkenbach is a leading authority on spreadsheet software and creator of the award-winning Power Utility Pak.
Excel 2016 Bible
John Walkenbach - Paperback
£42.50
Excel 2013 Power Programming with VBA
£45.00
Excel 2010 Bible
John Walkenbach - Set / collection
£34.99
Excel 2013 Bible
£37.99
Excel-VBA Alles in einem Band für Dummies
£29.95
Excel 2013 Formulas
£31.99
101 Excel 2013 Tips, Tricks and Timesavers
£28.00
Excel 2010 Formulas