A Looming Challenge

From Author Wars - https://authorwars.com/books/a-looming-challenge-851718.html

Overview:

Unknown. Grantville Gazette, April 2005 (Unknown, Pam Poggiani, Baen Books, $6.00, pages, ebook, MAGAZINE)
Unknown. Grantville Gazette IV (Unknown, Pam Poggiani, Baen Books, ISBN-10: 9781416555544, $6.00, pages, ebook, Anthology)
Unknown. Grantville Gazette IV (Unknown, Pam Poggiani, Baen Books, ISBN-10: 9781439133118, $7.99, 474 pages, Paperback, Anthology)
Unknown. Grantville Gazette IV (Unknown, Pam Poggiani, Baen Books, ISBN-10: 9781416555544, $25.00, 330 pages, Hardcover, Anthology)
Unknown. The 1635: The Eastern Front Disk (Unknown, Pam Poggiani, Baen Books, $0.00, other, Omnibus)
2013 . Grantville Gazette IV (2013, Pam Poggiani, Baen Books, $6.99, ebook, Anthology)
2020 . Grantville Gazette IV (2020, Pam Poggiani, Tantor Audio, ISBN-10: 9781977364913, $20.99, digital audio download, Anthology)
2020 . Grantville Gazette IV (2020, Pam Poggiani, Tantor Audio, ISBN-10: 9798200283514, audio CD, Anthology)
2020 . Grantville Gazette IV (2020, Pam Poggiani, Tantor Audio, ISBN-10: 9798200283507, audio CD, Anthology)
2020 . Grantville Gazette IV (2020, Pam Poggiani, Tantor Audio, ISBN-10: 9798200283491, audio CD, Anthology)