Frank Gruber
Pony Express
Buffalo Bill and Wild Bill Hickock work to establish the Pony Express and fight Indians and California Separatists who seek to destroy it.
Denver & Rio Grande
A romanticized history of the building of the Denver & Rio Grande Railroad in the Colorado mountains.
The Texas Rangers
In 1874, unable to eliminate a gang of notorious outlaws, the Texas Rangers hire two former convicts to assist with the tracking and the destruction of the Sam Bass gang.
Terror by Night
Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.
Accomplice
A private detective and his assistant are hired to find a missing husband by the detective's former girlfriend who dumped him. The case is quickly complicated by a sexy brunette, a missing bank executive, a castle in the desert, and a dead body with its "head blown off" but identified as the husband.
The Mask of Dimitrios
A meek novelist investigates the mysterious death of a notorious scoundrel.