Some Hollywood stars seem to shimmer on the horizon forever, and Audrey Hepburn is one of them. Reverence for her style still runs deep, as evidenced by the recent $96,000 auction sale of a black cocktail dress she donned in 1966 film How to Steal a Million.  Now a newly-released book showcases rare cover images of the actress, and here are some of the loveliest, most amusing, and insight-giving shots.