This document, free to download, contains a collection of corrections and clarifications for use with the TtS! For King and Parliament rule book. We have named it after Mercurius Civicus, a Parliamentarian weekly newspaper published in London from 1643 to 1646.

Most of the rules points herein were originally raised on the To the Strongest! Forum, which were collated by Paul Reynolds. It can be viewed on a tablet or printed out and bound.