The three secret cities Jack West, Jr. Series, Book 5.

The "king of hardcore action" (Brad Thor, New York Times bestselling author) and New York Times and #1 international bestselling author weaves a breathless thriller starring Jack West, Jr. that's "a clever mix of history, mythology, and geography" (Associated Press). A shadow world behind the real world... When Jack West, Jr. won the Great Games, he threw the four legendary kingdoms into turmoil. A world with its own history, rules and prisons....