Proof Copy from 1969
PAN 0330 023055 from 1970 4th Printing Cover Film Tie-in	PAN 0330 023055 from 1970 5th Printing Cover Film Tie-in
PAN 0330 023055 from 1974 17th Printing Cover Artist ?
PAN 0330 023055 from 1982 Cover Artist Chris Moore
PAN 0330 252771 from 1977 Cover Artist ?	PAN 0330 285931 from 1979 Cover Film Tie-in