this sub-group can cover all minutiae related to the now-numerous "sister" publications to the venerable NGM.
To wit, here's a run-down in chronological order...
and also: the Collector's Editions that have been a staple of newsstand/retail since 2001.
Latest Activity: Jan 28, 2016
30 Years ago this month, a stellar and worthy publication of knowledge and science and information was sent out to charter members and other invited selectees . . . . The N.G.S. Research Journal…Continue
Started by Scott T. Shier. Last reply by Scott T. Shier Feb 1, 2015.