Complex sentence: Each sported new covers by noted comics artist and graphic designer Jim Steranko, who had illustrated all 23 mass-market reprint volumes of pulp hero The Shadow published by Pyramid Books and HBJ/Jove during the 1970s.
Split into simpler sentences: Each sported new covers by noted comics artist and graphic designer Jim Steranko. Steranko had illustrated all 23 mass-market reprint volumes of pulp hero The Shadow, published by Pyramid Books and HBJ/Jove during the 1970s.