Complex sentence: In contrast to most leftist publications, "Ramparts" was expensively produced and graphically sophisticated, and as such it reached an audience that may have been put off by the grittier "movement" publications of the time.
Split into simpler sentences: In contrast to most leftist publications, "Ramparts" was expensively produced and graphically sophisticated. It reached an audience that may have been put off by the grittier "movement" publications of the time.