BiblioVault may have an electronic file which would meet your requirements for this title:
A Companion to Ancient Philosophy
Sean D. Kirkland, Eric Sanday, John Russon, Drew Hyland, Phil Hopkins, Francisco Gonzalez, Damian Stocking, Claudia Baracchi, Walter Brogan, George Harvey, Marjolein Oele, Ömer Aygün, Greg Recco, John McCumber, Eve Rabinoff, Patricia Fagan, Pascal Massie, Gina Zavota, Michael Wiitala, Robert Metcalf and Rose Cherubin
Paper: 978-0-8101-3786-8
Cloth: 978-0-8101-3787-5
Electronic: 978-0-8101-3788-2