BOOK IT: Browse more than 7,000 hardcovers and paperbacks at the Newberry Library's 17th annual "Mystery and More Book Fair." You'll find true crime, whodunits and classic mysteries by authors such as Agatha Christie, John Grisham, Mary Higgins Clark and James Patterson. 9AM-2PM, free.
GLAMAZONS: Shop at Wicker Park boutique Eskell today and enjoy the 1970s ambiance of "Disco and Glitter." The store will host a disco-spinning DJ, complimentary wine and David Bowie-esque face painting. Score a raffle ticket for every $10 you spend; prizes include gift certificates to shops and salons. 11AM-8PM, free.
FACTORY GIRL (AND BOY): Indie pop darlings Dean Wareham and Britta Phillips perform "13 Most Beautiful... Songs From Andy Warhol's 'Screen Tests,'" an uber-cool multimedia performance featuring original compositions set to Warhol's silent film portraits of '60s scenesters like Lou Reed and Edie Sedgwick. At the Museum of Contemporary Art, 10PM, $25.