BiblioVault may have an electronic file which would meet your requirements for this title:
In the Realm of Nachan Kan: Postclassic Maya Archaeology at Laguna De On, Belize
Marilyn A. Masson
Paper: 978-1-60732-356-3
Cloth: 978-0-87081-567-6
Electronic: 978-1-60732-366-2