Pattern for Conquest is a science fiction novel by American writer George O. Smith. It was published in 1949 by Gnome Press Reprinted circa 1952 in paper wrappers for distribution to US military personnel. Although a later printing, the first edition statement is retained on the copyright page. [Currey] isfdb Currey
The novel concerns Earthmen who are overwhelmed by alien invaders, whom they then attempt to conquer from within.
P. Schuyler Miller reported that the novel showed "that he [Smith] can slip right in with "Skylark" Smith and "World Wreckers" Hamilton and slap the stars around."