Pawns of Mars

Conducting experiments with a new explosive of tremendous power, Dr. Lefone, a celebrated chemist, receives a visit from Rizo Turbal, secretly acting as spy for the emperor of a foreign country. Lefone's friend, John Temple, is experimenting with a discovery he has made of a new wireless wave, with which he expects to explode bombs at long range.

Sinossi in inglese; traduzione non ancora disponibile.