Escape Clause (A Virgil Flowers Novel)Virgil Flowers faces double trouble in this exceptional thriller in the #1 New York Times bestselling series Whenever you hear the sky rumble, that usually means a storm. In Virgil Flowers' case, make that two. The first comes from, of all places, the Minnesota zoo. Two large Siberian tigers have vanished from their cage, and authorities are very concerned that they've been stolen for their organs. Traditional Chinese medicine prizes their parts for