COSine 2017

COSine 2017 was held January 20-22, 2017 in Colorado Springs, CO. The GoH was Jo Walton.

---

COSine 2016	COSine	COSine 2018
	2017

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.