Santaroga Barrier (Part 2 of 3)

From Author Wars - https://authorwars.com/books/santaroga-barrier-part-2-of-3-113297.html

Overview:

Title: Santaroga Barrier (Part 2 of 3)
Author: Frank Herbert
Year: 1967
Type: Serials

Editions/Publications:

Unknown. Amazing Stories, December 1967 (Unknown, Frank Herbert, Ultimate Publishing Co., Inc., $0.50, 148 pages, digest, MAGAZINE)