Descripción
Publicado:Began with issue for Sept. 1981; ceased with v. 38, no. 6 (Apr./May 2010).
Notas:Issues for <May 1989-> published: Northbrook, IL : General Learning
"Accompanied by a brief, separately paged insert labelled Teacher's edition."
Frecuencia de Publicación:Monthly (Sept.-May)
ISSN:0744-1002
0198-7615
0198-7623
Publicación relacionada:Formed by the union of: Career world 1; and, Career world 2.