Some see the flowing, chinchilla-trimmed coats and rhinestone-encrusted slacks favored by ivory tickler Liberace as little more than a tacky remnant of the Las Vegas of yore. But for Connie Furr Soloman and Jan Jewett, authors of the new “Liberace Extravaganza!,” the feathered capes and Art Deco pantsuits are shimmering works of art. They glimpse Liberace’s influence in present day pop stars like Lady Gaga and CeeLo Green.
Their book documents 50 of the late performer’s most ostentatious costumes, and the timing couldn’t be better: HBO’s “Behind the Candelabra” starring Matt Damon and Michael Douglas airs Sunday at 9 p.m. Jewett, who has worked as a costume designer for Bette Midler and Cher, couldn’t believe that a book on his wardrobe had never been written. Full story for BostonGlobe.com subscribers.