Kevin and Mary have been re-united and they band together with the assortment of heroes to take the battle to Mombi. Tik-Tok, Wogglebug, Saw Horse, Jingur, Jack Pumpkinhead and others join together with Lion, TinMan, and Scarecrow to retake the Emerald City.Based on the series of novels by Frank L. Baum with a decidedly modern twist. This is the third volume in the complete Caliber and Arrow collection of all the Oz comics.