Title from cover.
Each issue has also a theme title, 1979-1999; a distinctive title, 2001-
Issues 1-24 were published as a periodical, with a theme title for each issue, from 1979 through 1999; beginning with 25 in 2001 it was published as a monographic series.
Imprint varies.
Latest issue consulted: 40, copyrighted in 2012.