Complex sentence: Moore's novels have been called "complex, moody, rewarding" (Chicago Sun-Times) He's a writer "in the great literary tradition that hasn't really touched down since Somerset Maugham" (The Globe and Mail).
Split into simpler sentences: Moore's novels have been called "complex, moody, rewarding" (Chicago Sun-Times). He is a writer "in the great literary tradition that hasn't really touched down since Somerset Maugham" (The Globe and Mail).