callasabra,

I'm in Paul's camp. Most of my limited VBA knowledge is also self-learned and a result of helping others automate Word tasks. The only book I have ever used and find it indispensable when creating a custom UserInterface (modifying the Word Ribbon UI) is "Ribbon X - Customizing the Office 2007 Ribbon."

My collection of tips (mostly related to VBA) is available here: http://gregmaxey.com/word_tips.html

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Greg Maxey
Please visit my web site at http://www.gregmaxey.com/