US Army Frontier Scouts: 1840-1921/Ron Field, Richard Hook. Osprey Elite Series 91. Softcover. First edition 2003. Out of print. Condition: Very good, some light tanning to cover. ISBN 1841765821
An analysis of the role of the Frontier scout of the US Army between the years 1840 and 1921, this book demonstrates how these people used their unique skills to help American expansion in the West and looks at the many different, colourful characters including Tom Horn, “Wild Bill” Hikock and Mickey Free.