"Pilot," <May 1993->
Edition statement varies: Pilot ed., 1982-19 ; Ed. 1, <May 1993->
Place of publication varies: Jefferson City, MO, <May 1993->
Also designated "1" to indicate grade level of material.
Accompanied by separately paged supplements called Teachers' edition.
Description based on: Vol. 39, no. 1 (Sept. 10, 1982); title from cover.
Latest issue consulted: Vol. 49, no. 8 (May 1993).