We've announced this year's Sidewise Finalists, winners to be announced at Worldcon.

Short
Rosemary Smith. "Apollo in Retrograde"
Mark Ciccone. "Toe-to-Toe"

Long
Francis Spufford. Cahokia Jazz
Sandra Newman. Julia
Josh Weiss. Sunset Empire
Harry Turtledove. The Wages of Sin

http://www.uchronia.net/sidewise/