Complex sentence: The book answers a variety of questions, much as Adams's column does, and the writing styles are very similar, albeit that if Zotti truly is Adams's editor, he may have coloured Adams's writing style.
Split into simpler sentences: The book answers a variety of questions, much as Adams's column does, and the writing styles are very similar. Admittedly if Zotti truly is Adams's editor, this would account for coloring Adams's writing style.