COSine 2025

COSine 2025 is a convention to be held January 24-26, 2025 at the Embassy Suites by Hilton in Colorado Springs, CO. The GoHs will be Lawrence Watt-Evans, Theresa Mather, and Special Guests Connie Willis and Courtney Willis.

---

COSine 2024	COSine	COSine 2026
	2025

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.