When Brigadier Lethbridge-Stewart, his fiancée Sally Wright and nephew Owain Vine embark on a much-needed holiday in New York City, the last thing they expect to find is a puzzling mystery involving coma patients, a stranger from a distant land and a dark menace lurking in the bowels of the city's labyrinthine subway system. Before long, they're battling an ancient evil pursuing a deadly campaign of terror that could bring Manhattan under its and the world to its knees! A Lethbridge-Stewart adventure featuring the Brigadier and Edward Travers from the classic era of Doctor Who, based on characters created by Mervyn Haisman and Henry Lincoln

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