Complex sentence: Nick Redfern, born 1964, is one of Britains best known and leading Ufologists and is good friends (and has co-written books with) skeptical British Ufologist, Andy J. Roberts.
Split into simpler sentences: Nick Redfern, born 1964, is one of Britains best known and leading Ufologists. He is good friends (and has co-written books with) skeptical British Ufologist, Andy J. Roberts.