BiblioVault may have an electronic file which would meet your requirements for this title:
John Muir's Last Journey: South To The Amazon And East To Africa: Unpublished Journals And Selected Correspondence
Michael P. Branch and John Muir
Paper: 978-1-55963-641-4
Cloth: 978-1-55963-640-7
Electronic: 978-1-59726-608-6