This is the tenth adventure featuring Jack Lark: soldier, leader, imposter.
Egypt, 1869. Jack Lark has reinvented himself once more. Working as an unofficial agent for the Consul-General, he moves among the most powerful men in Cairo. But when the opportunity arises to join legendary explorer Sir Samuel White Baker on his expedition into the Sudan, Jack can't resist a new adventure.
Jack assumes command of an elite cadre to protect the fleet of vessels. But, as they move down the Nile, Jack and his men soon find themselves in a land where the rule of law means nothing, and those who wield power will do anything to keep it. And when a new friend seeks Jack's help, Jack must decide where his loyalties truly lie . . .