Boy Inventors' Series
Reading edition
The author knows these subjects from a practical standpoint. Each book is printed from new plates on a good quality of paper and bound in cloth. Each book wrapped in a jacket printed in colors.
Price 60c each
1 Boy Inventors' Wireless Triumph
2 Boy Inventors' and the Vanishing Sun
3 Boy Inventors' Diving Torpedo Set
4 Boy Inventors' Flying Ship
5 Boy Inventors' Electric Ship
6 Boy Inventors' Radio Telephone