The Harnic Astrology program takes a fully functional and richly detailed Earth-based Astrology Program ("SymSolon") (GNU) and changes the parameters to produce output appropriate for the Harnic Isles and the planet (solar system) of Kethira.
A speculative piece about the advantages and disadvantages of those places on the edge of Kaldor that could serve as a port. It narrows the possibilities down to one.
