Furman University Theatre will present Michael Cristofer’s “The Shadow Box” April 17-21 at 8 p.m., with matinee performances April 21 and 22 at 3 p.m. All performances take place in The Playhouse on the Furman campus. Directed by guest artist Kent Brown, the play is open to the public. Tickets are $18 for adults, $15 for seniors and $10 for students.