John Muller is a local journalist, historian and tour guide. He is the author of Frederick Douglass in Washington, D.C.: The Lion of Anacostia (The History Press, 2012), which has been selected as the DC Public Library’s 2013 DC Reads selection. For more information visit www.dclibrary.org/dcreads. He is currently at work on “Mark Twain in Washington, D.C.: Adventures of Capital Correspondent,” which will be published by The History Press in the fall.