Bryan Costales is an American author who wrote the very successful "Sendmail" (bat book) for O'Reilly Media, the "C From A to Z" book for Prentice Hall, recently published his novel "Jo", his literary short story collection "Gosling Collective," and his science fiction short story collection "Time And Space." He has studied with the San Francisco Grotto, San Francisco Writing Salon, and the Grape Writing Method. He has written over 100 short stories and essays, many of which have been professionally published.
Even more startling, the late curator was involved in the Priory of Sion—a secret society whose members included Sir Isaac Newton, Victor Hugo, and Da Vinci—and he guarded a breathtaking historical secret. Unless Langdon and Neveu can decipher the labyrinthine puzzle—while avoiding the faceless adversary who shadows their every move—the explosive, ancient truth will be lost forever.