[mryan]

Driving Technical Change sounds like an appropriate book. I have not read it, but it has been on my tech books wish-list for a while now:

http://pragprog.com/book/trevan/driving-technical-change

[JustAGeek]

I was about to suggest that book, too. Also, check out this blog post: http://agilitrix.com/2011/03/how-to-make-your-culture-work/ which outlines some of the ideas presented in the book "The Reengineering Alternative: A plan for making your current culture work" by William Schneider.