Invasion

Invasion is a science fiction novel by Murray Leinster, first published in March 1933 in Astounding Stories. Set in the year 2037, it follows Thorn Hard, a flier in the United Nations' Pacific Watch, as he navigates a crisis involving a mysterious spacecraft that threatens global conflict. The narrative explores themes of international strife, betrayal, and human resilience against overwhelming odds, as Thorn and his fiancée, Sylva West, work to avert disaster while evading capture by a hostile political faction known as the Com-Pubs.