Did Gutenberg print the valuable Callixtus Bull or not. Fifteen highly qualified scholars gathered to make that judgment. Before the decision, the unspeakable, someone destroyed the precious aged vellum. Or did they? Crossed and double crossed, reputations meant nothing as notables came under suspicion. R.P. Gavin, FBI agent Colette Dancy and Dallas Detective Phillip Brusse, had to buck their own, and with the involvement of a crime kingpin, find the truth.