Books to teach yourself VBA

Hi All, 

I've played around with VBA macros for a few years, but got serious about six months ago.

I have a copy of David Marcovitz's "Powerful Powerpoint for Educators" I'm still working on 

somethings in it, however I am looking for another book to continue teaching myself VBA.

Does anyone have any good recommendations. I was looking at Richard Mansfield's "Mastering

VBA for Microsoft Office" but am unsure since I don't use Word or Excel all that often. 

Any recommendations would be appreciated.

Thanks in advance.

Powerful PowerPoint for Educators: Using Visual Basic for Applications to Make PowerPoint Interactive , 2nd Edition, By David M. Marcovitz