Writer extraordinaire Joe Hill has explored and penned the mythology of those mysterious keys while Gabriel Rodriguez has expertly rendered this informative one shot comic ($3.99).

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.

Courtesy of i09, HERE is a sneak peek of eagerly anticipated guide. The issue will hit your favorite comic book shop’s shelves tomorrow.