In
every creative field there are many kinds of unauthorised
reproductions, literature is no different in this respect. The
purpose of such reproductions vary from the pure wish to disseminate
information to plain self-interested profit making. It is
extremely difficult to differentiate between the varieties as
bibliographically, they are simply grouped together as
'Unauthorised'.
I have, therefore in my own way,
differentiated the unauthorised works into three main categories and
their attendant sub-categories: