'SCAN THE SKIES, ' GERALD SAID GRIMLY. 'I THINK WE MAY HAVE VISITORS.' MISS PRIMULA TURNED TO STARE AT HIM IN HORROR. 'THE SEPTIZODIANS? IN FORCE?' Stranded on a desolate Earth of the far future, desperately trying to repair the last remaining spaceship on the planet, Gerald and his friends are dismayed to discover that what appear to be falling stars are in fact invaders from outer space. Soon they find themselves drawn into a war between star systems. And their enemies have the backing of the mysterious Galactic Empress... Part One in THE PLANETEERS