This disk catalogues all the Fish disks available at the present
  time, disks 1 to 840 using a data-base called KingFisher.

  To un-pack the disk you will need three blank, FORMATted disks
  RENAMEd :-

  KingFisher-1
  KingFisher-2
  KingFisher-3

  When you have them prepared, if you did not boot from this disk, then 
  do so, click on QUIT at this point and follow the on-screen instructions.

  When you have finished boot from KingFisher-1 and run KingFisher.