Flash Gordon 2 - The Plague of Sound

THE PLAGUE OF SOUND
A SPACESHIP CAPTURED in a magnetic field and pulled beneath the earth into an underground city, FLASH GORDON jumps to safety only to be caught in the web of a giant man-eating spider, then saved by a titian haired beauty.
Pan, a madman musician, seeks to rule a planet by the shattering effects of ultra-high frequency sound.
Romance, spine tingling adventure, the sciences of the future, all combine to make THE PLAGUE OF SOUND a book you won't put down.