Have we told you how much we like the work of John Staub? Well, if we haven't, consider yourself told (and if you look at Stephen Fox's new book on Staub, you'll be a fan, too). It's not every day that a Staub-designed house shows up on the market — especially not one as grand as the 1924 D.D. Peden house in Shadyside. The Peden house actually predates Staub's career as an independent architect:......