| . | 
    THE FRONTIER BOYS ON THE OVERLAND TRAIL -- illustrated by S.
      Schneider. 1908. Chatterton-Peck, Hurst, Platt & Peck.
 
THE FRONTIER BOYS IN COLORADO; or, Captured by Indians --
      illustrated by S. Schneider. 1911. Chatterton-Peck, Hurst, Platt &
      Peck.
 
THE FRONTIER BOYS IN THE ROCKIES; or, A Winter in the Big Canyon
      -- 1909. Chatterton-Peck, Hurst, Platt & Peck.
 
THE FRONTIER BOYS IN THE GRAND CANYON; or, A Search for Treasure
      -- illustrated by S. Schneider. 1908. Chatterton, Hurst, Platt & Peck,
      Westbrook.
 
THE FRONTIER BOYS IN MEXICO; or, Mystery Mountain -- illustrated
      by S. Schneider. 1908. Hurst, Platt & Peck.
 
THE FRONTIER BOYS ON THE COAST; or, In the Pirate's Power --
      1909. Hurst, Platt & Peck.
 
THE FRONTIER BOYS IN HAWAII; or, The Mystery of the Hollow Mountain --
      illustrated by S. Schneider. 1909. Chatterton-Peck, Hurst.
 
THE FRONTIER BOYS IN THE SIERRAS; or, The Lost Mine --
      illustrated by S. Schneider.  1909. Chatterton, Hurst.
 
THE FRONTIER BOYS IN THE SADDLE -- illustrated by R. Mencl. 1910.
      Chatterton.
 
THE FRONTIER BOYS IN FRISCO -- illustrated by Rudolf Mencl. 1911.
      Hurst, Platt & Peck.
 
THE FRONTIER BOYS IN THE SOUTH SEAS -- illustrated by Rudolf
      Mencl. 1912. Chatterton, Hurst, Platt & Peck. |