Try:
Kathy Jacobs on Powerpoint: PPT 2000, PPT 2002, PPT 2003 (On Office series)
by Kathy Jacobs
Cutting Edge PowerPoint For Dummies (For Dummies (Computer/Tech)) -- by
Geetesh Bajaj
Fixing PowerPoint Annoyances : How to Fix the Most Annoying Things about
Your Favorite Presentation Program (Annoyances)
by Echo Swinford
However, your best bet is to go to a bookstore and browse. What is right for
one person might not be right for you. Any decent bookstore will have a
couple of dozen books about PowerPoint.
--David
David Marcovitz
Microsoft PowerPoint MVP
Author of _Powerful PowerPoint for Educators_
http://www.PowerfulPowerPoint.com/