Adapter Frances Limoncelli and director Dorothy Milne do a remarkable job carving a two-act play out of Dorothy L. Sayer’s 500-plus-page novel. Set at a fictional women’s college at Oxford University and featuring detective work by Lord Peter Wimsey and Harriet Vane, the book is packed with fascinating eccentrics and witty dialogue. The stage version is almost as rich, partly because the adaptation is so expert and partly because this production is filled with actors whose every gesture and pause speaks volumes. Jenifer Tyler as Vane is spot-on, but Peter Greenberg (who’s played Wimsey in two other Lifeline adaptations) feels a touch too stiff and self-satisfied as Sayers’s brilliant, dashing, aristocratic amateur detective. Through 7/30: Fri 7:30 PM, Sat 4 and 8 PM, Sun 5:30 PM, Lifeline Theatre, 6912 N. Glenwood, 773-761-4477, $14-$26.