The Virgin of Valkarion / Earth Alert

From Author Wars - https://authorwars.com/publications/the-virgin-of-valkarion--earth-alert-560619.html

Overview:

Title: The Virgin of Valkarion / Earth Alert
Author: Poul Anderson, Kris Neville
Year: 2016
ISBN-10: 9781612872919
Publisher: Armchair Fiction
Price: $12.95
Pages: 208
Binding: Trade Paperback
Type: Anthology
Title Reference: The Virgin of Valkarion
Notes: Data from Amazon.com as of 2016-02-27. States "...with original illustrations" Virgin of Valkarion cover reprinted from Norman Saunders' for Polaris and the Goddess Glorian by Charles Stilson in Fantastic Novels, September 1950. Earth Alert back cover reprinted from W. E. Terry's for the novella's first appearance in Imagination, February 1953.