Soul of Stars, the sequel to Heart of Iron, is a thrilling sci-fi adventure filled with romance, shocking twists, and witty banter. Once an orphaned space outlaw, Ana has become the Empress of the Iron Kingdom. Believed dead after escaping the dark AI program called the HIVE, she is desperate to rescue Di from its clutches and reclaim her kingdom. Ana's only hope is to find Starbright, the only person who managed to hack the HIVE and survive. However, her desperation leads to a heavy cost for the crew of the Dossier, sending them through dangerous reaches of the kingdom to confront an ancient deity known as the Great Dark. Along the way, Jax, the crew's sharp-witted pilot, confronts his past, and Robb must deal with his feelings for Jax while questioning his place among the misfits. Together, they must face the worst odds to stop the Great Dark permanently.