The Motor Boys Under the Sea; or, From Airship to Submarine

  THE MOTOR BOYS SERIES

  BY CLARENCE YOUNG

  _12mo. Illustrated. Price per volume, $1.00, postpaid_

  THE MOTOR BOYS _or Chums Through Thick and Thin_

  THE MOTOR BOYS OVERLAND _or A Long Trip for Fun and Fortune_

  THE MOTOR BOYS IN MEXICO _or The Secret of the Buried City_

  THE MOTOR BOYS ACROSS THE PLAINS _or The Hermit of Lost Lake_

  THE MOTOR BOYS AFLOAT _or The Cruise of the Dartaway_

  THE MOTOR BOYS ON THE ATLANTIC _or The Mystery of the Lighthouse_

  THE MOTOR BOYS IN STRANGE WATERS _or Lost in a Floating Forest_

  THE MOTOR BOYS ON THE PACIFIC _or The Young Derelict Hunters_

  THE MOTOR BOYS IN THE CLOUDS _or A Trip for Fame and Fortune_

  THE MOTOR BOYS OVER THE ROCKIES _or A Mystery of the Air_

  THE MOTOR BOYS OVER THE OCEAN _or A Marvelous Rescue in Mid-Air_

  THE MOTOR BOYS ON THE WING _or Seeking the Airship Treasure_

  THE MOTOR BOYS AFTER A FORTUNE _or The Hut on Snake Island_

  THE MOTOR BOYS ON THE BORDER _or Sixty Nuggets of Gold_

  THE MOTOR BOYS UNDER THE SEA _or From Airship to Submarine_

  THE MOTOR BOYS ON ROAD AND RIVER _or Racing to Save a Life_

  THE MOTOR BOYS AT BOXWOOD HALL _or Ned, Bob and Jerry as Freshmen_

  THE MOTOR BOYS ON A RANCH _or Ned, Bob and Jerry Among the Cowboys_

  THE MOTOR BOYS IN THE ARMY _or Ned, Bob and Jerry as Volunteers_

  THE MOTOR BOYS ON THE FIRING LINE _or Ned, Bob and Jerry Fighting for Uncle Sam_

  THE MOTOR BOYS BOUND FOR HOME _or Ned, Bob and Jerry on the Wrecked Troopship_

  THE MOTOR BOYS ON THUNDER MOUNTAIN _or The Treasure Box of Blue Rock_

  CUPPLES & LEON COMPANY, Publishers New York