| Covers listed | |
| 1980: | Vol 1 # 2 May, Vol 1 # 7 October, |
| 1981: | Vol 1 # 11 February, May, Vol 2 # 4 July, |
| 1982: | Vol 2 # 11 February, June, July, |
| 1983: | February, March, |
| 1984: | June, August, Vol 5 # 8 November, |
| 1985: | Vol 5 # 11 February, Vol 6 No 2 May, Vol 6 No 5 August, Vol 6 No 7 October, Vol 6 No 8 November, |
| 1986: | January, April, May, July, |
| 1987: | May, October, November, |
| 1988: | January, March, April, July, September, |
| 1989: | April, July, November, December, |
| 1991: | May, |
