This difference was reflected in the
G&D dust jacket
advertisements for each series ...
Original Series
"It is the purpose of these spirited tales to convey in a
realistic
way the wonderful advances in land and sea locomotion and to
interest the boy of the present in the hope that he may be a factor
in aiding the marvelous development that is coming in the future."
"Every youngster is filled with the marvels of invention
displayed in
motor cars, motor boats, submarine boats and airships. It is the
purpose of these spirited tales to convey in a realistic way the
wonderful advances in land and sea locomotion."
"These spirited tales convey in a realistic way, the wonderful
advances in land and sea locomotion. Stories like these are
impressed upon the memory and their reading is productive only of
good."
"Every boy possesses some form of inventive genius. Tom Swift is a
bright, ingenious boy and his inventions and adventures make the
most interesting kind of reading."
"A new series certain to attract attention. Every youngster is
filled with the marvels of invention displayed in motor cars, motor
boats, submarine boats, and airships. It is the purpose of these
spirited tales to convey in a realistic way the wonderful advances
in land and sea locomotion. Stories like these impress themselves in
the youthful memory - cling to it like a burr - and their reading is
productive only of good."
TSJ Series
"These are the famous books that predict scientific inventions,
before
they are actually built!"
Thomas R. Ippolito
Tom Swift