Seven Cities of Gold: Order of the Black Sun, Book 36 (Unabridged‪)‬

When a member of the Order of the Black Sun asks for assistance in rescuing a relative, David Purdue finds himself going undercover to infiltrate a criminal organization that is in search of the Seven Cities of Gold.

Under completely new aliases and surrounded by dangerous enemies led by a leader with a love of poisons, Purdue and his colleagues find themselves entangled in a game of deception where one wrong word could expose them.

Through fiery battles and thrilling chases, Purdue may find that the Seven Cities of Gold are not exactly what he expected.