6:30 pm
Observer EditorObserver Editor, FreeFree
“Butts: A Backstory”: Literati Bookstore.:

Radiolab contributing editor and essayist Heather Radke discusses her new book, a rigorously researched cultural history of the human posterior, from the performance halls of 19th-century London to the aerobics studios of the 1980s, and the music video set of Sir Mix-a-Lot's “Baby Got Back.” 6:30, Literati, 124 E. Washington. Free. 585–5567.

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