Comet Together! (The Cosmic Adventures of Astrid and Stella Book #4 (A Hello!Lucky Book))Fire up the turbo pumps! Best friends Astrid and Stella are off on another high flying adventure in Comet Together!, the fourth in the graphic novel series from bestselling creators Hello! Lucky. Astrid and Stella love reading comet books and are on a mission to make one of their own. But when they run into creative differences, the dynamic duo must figure out if they can work together to take their creation to the next level. Next, Stella is on a