This special standalone issue features an expanded Guide to the Known Keys, an all-new Guide to Failed Keys, and a story of summer-night magic, set in Keyhouse's unlikely past.
Marie O'Regan, Paul Kane, Neil Gaiman, Joe Hill, Sarah Pinborough, M.R. Carey, A.G. Slatter, Laura Purcell, Helen Grant, Mark Chadbourn, L.L. McKinney, A.K. Benedict, Christina Henry, A.C. Wise & Kelley Armstrong
