David Robbins

Wilderness Double Edition 12: The Lost Valley / Mountain Madness

Wilderness Double Edition 13: Frontier Mayhem / Blood Feud

Ralph Compton West of Pecos

Ralph Compton Ride the Hard Trail

Wilderness Double Edition 11: Black Powder / Trail's End

Ralph Compton A Wolf in the Fold

The Complete History of South America: Covering Argentina, Brazil, Chile, Colombia, Machu Picchu, the Inca Empire, Peru, Venezuela, Simon Bolivar, and Much More (Unabridged)

Endworld: The Fox Run: Endworld Series, Book 1

The History of Colombia: A Fascinating Guide to Colombian History (Unabridged)

The History of Brazil: A Fascinating Guide to Brazilian History (Unabridged)

The History of Venezuela: A Fascinating Guide to Venezuelan History (Unabridged)

Endworld: Doomsday: Endworld Series Prequel