This is a personal project by @dellsystem. I built this to help me retain information from the books I'm reading.
Source code on GitHub (MIT license).
(adjective) extremely dark, gloomy, or forbidding; refers to the River Styx of the underworld Hades in Greek mythology;
Bathed in this warm glow, a young woman named Ashli lay sleeping, impervious to the stygian immensity of her surroundings