RJ PARKER is ranked in the Top 100 authors on Amazon in Biography and History.
RJ is a Canadian Author who has written over 30 true crime books, and co-authored another 10 books. He has published almost 200 books for other authors which are available in eBook, Paperback, and many of them in Audiobook edition.
"Parker amazes his readers with top notch writing and idealist research. The Canadian writer has a better grasp of criminology and the psyche of a serial killer's mind than most people who spend a lifetime in a professional field chasing criminals and diabolic fiends". -- John Douglas (Retired FBI Agent - Behavioral Science)