John Shirley was born in Houston and now lives in Vancouver, Washington. He is the author of numerous novels and books of short stories, and won the Bram Stoker Award for his collection Black Butterflies. His novels include the Specialist books (under the name John Cutter), The Brigade, Bleak History, the A Song Called Youth trilogy, and a novel of Wyatt Earp as a young lawman, Wyatt in Wichita. He has also written television, movies, and songs.

Ralph Compton stood six foot eight without his boots. He worked as a musician, a radio announcer, a songwriter, and a newspaper columnist. His first novel, The Goodnight Trail, was a finalist for the Western Writers of America Medicine Pipe Bearer Award for best debut novel. He was the USA Today bestselling author of the Trail of the Gunfighter series, the Border Empire series, the Sundown Riders series, and the Trail Drive series, among others.