COSine 2020

COSine 2020 was a convention held January 17–19, 2020, at the Hotel Eleganté in Colorado Springs, CO. GoHs: Eric Flint, Peri Charlifu, Connie & Courtney Willis.

Website.

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COSine 2019	COSine	COSine 2021
	2020

This is a convention page. Please extend it by adding information about the convention, including dates, GoHs, convention chairman, locale, sponsoring organization, external links to convention pages, awards given, the program, notable events, anecdotes, pictures, scans of publications, pictures of T-shirts, con reports, etc.