I'd think about why you are using Flash and consider not using it - at least use it sparingly as full blown flash sites are often self indulgent, difficult to edit and rarely executed successfully.
I think if used simply, Flash is the best way to view photos on the web. But maybe a simple HTML site would be better with a Flash title bar with some of your photos fading into one another.
At any rate, forget about books. Spend your money wisely and visit VTC.com Online tutorials are the absolute best way to learn programs and this site has an unlimited approach for a monthly payment, cancel any time type of arrangement.