A collection of 30 bardic tales you may hear sung in the local tavern or empresses' court, complete with bardic verse excerpts from all 30 tales themselves.
Many of these tales can also be used as quick plug in adventures for Gm's looking for a side quest. (And let the players exploits be turned into the song by a near by bard perhaps?)
In cases where a person has accused another of a crime, but there are no other supporters of the accusation or defenders of the accused, and there is not enough evidence to support one party or the other, the two people involved, or their champions in some cases, must duel in the presence of the local ruler or leader. The loser is assumed to be lying and punished accordingly.