On Jun 9, 2013 9:05 AM, "Zane H. Healy" <healyzh at aracnet.com> wrote: weren't part of the doc set and were published. This one is available on Amazon with **LOOK RARE** pricing, currently around $120. I paid a lot less for a copy a while back. It seems as though the sellers have an automated algorithm where if there is a low number of copies currently listed and one sells from any seller then the remaining copies at other sellers almost immediately get jacked up significantly in price. RSX: A Guide for Users (Paperback) Publisher: Digital Press Release date: January 1987 ISBN-10: 0137838611 ISBN-13: 978-0137838615