As part of Carmichael Industries' first mission, Chuck and his team take the case to guard an experimental military rocket pack. It becomes a mission that leads Chuck into high-flying heroics-but also the realization that he's not done facing the legacy of Alexei Volkoff just yet...

The water supply of The World Below is being poisoned. When Catherine investigates, she finds there may be darker plots afoot than she may have thought, plots that could endanger both worlds and everyone in them...

Harry finds two of the most valuable gifts of all this Christmas--but will he lose them and more? A "best of" story.

An attempt at an official third story in the main series. A class trip gone haywire strands Kevin and several classmates in Sin City. While wavering between enjoying the town and trying to get home, they get the chance to once again save the day against some familiar foes. NOW COMPLETED.