Shel Silverstein's grown-up humor explored on stage

Post Gazette: "Author Shel Silverstein is probably best known for his children's books such as 'The Giving Tree' and 'Where the Sidewalk Ends.' But starting Friday evening, Washington's Off the Wall Theater will showcase the author's racier side when it stages 'An Adult Evening of Short Plays,' written by the author of whimsically hip fables whose work often made the bestseller lists."