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The Pony Rider Boys in the Rockies; Or, The Secret of the Lost Claim
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The Lost Army
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The Pony Rider Boys in Texas; Or, The Veiled Riddle of the Plains
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The Pony Rider Boys on the Blue Ridge; or, A Lucky Find in the Carolina Mountains
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Boris the Bear-Hunter
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The Battleship Boys in Foreign Service; or, Earning New Ratings in European Seas
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Battleship Boys' First Step Upward; Or, Winning Their Grades as Petty Officers
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Battleship Boys at Sea; Or, Two Apprentices in Uncle Sam's Navy