BiblioVault may have an electronic file which would meet your requirements for this title:
A History of Religious Ideas, Volume 1: From the Stone Age to the Eleusinian Mysteries
Mircea Eliade and Willard R. Trask
Paper: 978-0-226-20401-7
Cloth: 978-0-226-20400-0
Electronic: 978-0-226-14769-7