Complex sentence: In 1992 he published his first book in twenty years, "The Devil's Notebook", which would be followed by the posthumous "Satan Speaks" in 1998, which included a foreword from the rock singer Marilyn Manson.
Split into simpler sentences: In 1992 he published his first book in twenty years, "The Devil's Notebook". This was followed by the posthumous "Satan Speaks" in 1998, which included a foreword from the rock singer Marilyn Manson.