From publisher blurb: Adamant Entertainment presents, available publicly for the first time, the first adventure for ICONS: Superpowered Roleplaying, written by ICONS designer Steve Kenson! The Sidereal Schemes of Doctor Zodiac was a bonus adventure released with the initial pre-order of the ICONS core rules two years ago, and is intended as an introductory adventure, getting your friends right into the action of playing the roles of superheroes safeguarding Our Fair City from the terrible threat posed by Dr. Zodiac!