Note: This page is an archive from COSine 2020 (January 17-19, 2020). Check the main COSine page to find details about the next COSine!

COSine 2020


January 17-19, 2020

Guest of Honor
Eric Flint

New York Times Best-Selling Author
1632 (The Ring of Fire Series), Demon Rift Series, Rats, Bats & Vats, and many more

Connie Willis
Sci-Fi Grand Master

Science Guest of Honor
Courtney Willis
“Dr. Science”

Artist Guest of Honor
Peri Charlifu
Potter Extraordinaire

COSine has been held in Colorado Springs for 16 years, and features numerous sci-fi and fantasy authors, artists, and fans, as well as panels, art show, author signing & reception, gaming, science & technology, dealers room, kids’ programming, liquid nitrogen ice‑cream, and more!

The Hotel Eleganté
2886 South Circle Drive, Colorado Springs, CO 80906
719-576-5900 map
Use the link above or ask for the special $99 COSine convention rate when reserving your room!