Fenn Masterson's discovery, or, The Darewell chums on a cruise (His The boys pocket library)

Name: Fenn Masterson's discovery, or, The Darewell chums on a cruise (His The boys pocket library)
Author: /author/Allen_Chapman_(The_Radio_Boys%27_First_Wireless_or_Winning_the_Ferberton_Prize_%5B%5BRadio_Boys_Series_%231%5D%5D)