Managing the Professional Services Firm
David Maister
http://www.davidmaister.com
http://www.amazon.com/exec/obidos/ASIN/0684834316/

True Professionalism
David Maister
http://www.amazon.com/exec/obidos/ASIN/0684840049/

Build To Last
Jim Collins
http://www.jimcollins.com
http://www.amazon.com/exec/obidos/ASIN/0060516402/

Good to Great
Jim Collins
http://www.jimcollins.com
http://www.amazon.com/exec/obidos/ASIN/0066620996/