Tom Keels is the author of five published books on Philadelphia, with one work in progress: — Wicked Philadelphia: Sin in the City of Brotherly Love. The History Press, 2010. — Forgotten Philadelphia: Lost Architecture of the Quaker City. Temple University Press, 2007. — Philadelphia Graveyards and Cemeteries. Arcadia Publishing, 2003. — Philadelphias Rittenhouse Square (with Robert Morris Skaler). Arcadia Publishing, 2008. — Chestnut Hill (with Elizabeth Farmer Jarvis). Arcadia Publishing, 2002. — Rainbow Cities: Philadelphia's Three World's Fairs. Under contract to Temple University Press, 2012. In addition, he is a lecturer, tour guide, writer, and radio commentator specializing in Philadelphia history and architecture. "