THE MYSTERY SHIP
Reading edition
GLORIES OF SEA AND AIR SERIES By PERCY F. WESTERMAN THE MYSTERY SHIP THE RIVAL SUBMARINES BILLY BARCROFT OF THE R.N.A.S. A WATCH-DOG OF THE NORTH SEA Publishers PARTRIDGE LONDON
["THE MYSTERY BOAT WAS MOVING SLOWLY, HER TRIPLE TORPEDO-TUBES READY WITH THEIR DEADLY COMPLEMENTS."]