BiblioVault may have an electronic file which would meet your requirements for this title:
Constructing Mark Twain: New Directions in Scholarship
Laura E. Skandera-Trombley and Michael J. Kiskis
Paper: 978-0-8262-1968-8
Cloth: 978-0-8262-1377-8
Electronic: 978-0-8262-6355-1