The Rorschach Explorer Missions Books in Order

Strange signals from Jupiter’s moon Callisto bring an amateur astronomer and engineer Kiera Walsh into an extraordinary investigation. A billionaire finances experimental probes, but uncovering the source means confronting forces determined to suppress their discoveries.

The Rorschach Explorer crew launches its maiden voyage following discoveries near Callisto. An initially promising mission encounters predatory aliens in deep space, forcing the explorers and Mission Control to rely on ingenuity and uncertain alliances to survive.

After three Mars probes fail catastrophically, a secret crew travels aboard Cetus Prime to investigate. Their search for the wreckage leads to an unidentified magnetic object and the unsettling possibility of an unfamiliar form of life.

A newly awakened star sends a gamma-ray threat toward Jupiter, putting the solar system at risk. The Rorschach explorers must confront the looming catastrophe while drawing on a warning delivered years earlier by the Suh Kai.