In novel 30 of the series, Tom Swift seems to be facing something he could scarcely believe possible a couple years earlier. When a mystery object crashes into a walkway at Swift Enterprises-just feet behind the inventor-it is the start of either one of Tom an Damon Swift's most recent joys... of the start of a terrible nightmare The Space Friends had disappeared from the solar system a couple years earlier, but it seems they are coming back. And,...