Sid Johnson and the Well-Intended Conspiracy

Hidden among Sid Johnson's most treasured possessions is a letter he promised to take to Santa Fe. Is the letter a family history as he's been told or the key to a long-forgotten Spanish treasure? Why is its code name Esteban's Cross? All Sid knows is that he trusts the man who gave it to him and others are willing to kill for it. But the letter is pushed to the back of his mind as he learns firsthand that travelers on the trails west have more to fear from disease than from the American In...