BiblioVault may have an electronic file which would meet your requirements for this title:
Came Men on Horses: The Conquistador Expeditions of Francisco Vásquez de Coronado and Don Juan de Oñate
Stan Hoig
Paper: 978-1-64642-376-7
Cloth: 978-1-60732-194-1
Electronic: 978-1-60732-206-1