Interstellar Cargo - Book Zero
Asterius is a short story that takes place around fifteen years before the events of Icarus. It can be read at any point in the series, though it is recommended to be read after book one.
Captain Tessa Adrace of Starforce is about to be assigned a mission she will never forget. With strict orders given her directly from the colonel, she must lead her squadron up against an adversary feared throughout the galaxy: Black Dwarf. The odds are impossibly stacked against her, but she will stop at nothing until her mission is complete. Even if it means her end.
Asterius is a short story, consisting of 6750 words, or roughly twenty-four pages.