Complex sentence: Since 1985 he has published 28 books, mostly nonfiction, e.g. biographies on Bruno Kreisky, Monty Python, Rowan Atkinson and Samuel Beckett.
Split into simpler sentences: Since 1985 he has published 28 books, mostly nonfiction. These include biographies on Bruno Kreisky, Monty Python, Rowan Atkinson and Samuel Beckett.