Issues
#1 May 1989
#2+1 printing June 1989
#3+1 printing July 1989
#4+1 printing August 1989
#5+1 printing September 1989
#6+1 printing October 1989
#7+1 printing November 1989
#8+1 printing Mid-November 1989 [cover]; December 1989 [indicia]
#9+1 printing December 1989
#10+1 printing Mid December 1989
#11+1 printing January 1990
#12+1 printing February 1990
#13 March 1990
#14 April 1990
#15 May 1990
#16 June 1990
#17 July 1990
#18 August 1990
#19 September 1990
#20 October 1990
#21 November 1990
#22 December 1990
#23 January 1991
#24 February 1991
#25 March 1991
#26 April 1991
#27+1 printing May 1991
#28 June 1991
#29 July 1991
#30 August 1991
#31 September 1991
#32 October 1991
#33 November 1991
#34 December 1991
#35 January 1992
#36 February 1992
#37 March 1992
#38 April 1992
#39 May 1992
#40+1 printing June 1992
#41 July 1992
#42 August 1992
#43+1 printing September 1992
#44 October 1992
#45 November 1992
#46 December 1992
#47 January 1993
#48 February 1993
#49+1 printing March 1993
#50+1 printing April 1993
#51 May 1993
#52 June 1993
#53 July 1993
#54 August 1993
#55 September 1993
#56 October 1993
#57 November 1993
#58 December 1993
#59 January 1994
#60 February 1994