What pray tell, does PBK stand for? On Thu, Nov 15, 2018 at 1:24 PM Click, Ben <[log in to unmask]> wrote: > Thanks, Kevin. I wonder if Clemens learned the secret PBK handshake. > > Ben > > On Thu, Nov 15, 2018 at 12:49 PM Kevin Mac Donnell < > [log in to unmask]> wrote: > > > I’m trying again with an image of Mark Twain’s PBK key. > > > > > > Kevin > > @ > > Mac Donnell Rare Books > > 9307 Glenlake Drive > > Austin TX 78730 > > 512-345-4139 > > Member: ABAA, ILAB > > ************************* > > You may browse our books at: > > www.macdonnellrarebooks.com > > > > > -- > Ben Click > Professor, English > Director, Writing & Speaking Center > Editor, *The Mark Twain Annual* > Director, Twain Lecture Series on > American Humor and Culture > (240) 895-4253 > St. Mary's College of Maryland >