The Black Secret. Word Search Puzzle Solver. The Black Secret word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Adventures of an American Secret Service-girl in search of an important German secret during the war. This includes identifying and searching for words that are related to : Pearl White, Francis Wightwick, Henry G Sell, George B Seitz, Adventure, Marjorie Milton, Walter McGrail, Action, Harry Semels .