Bombs (The Blue Pistol 4)

Bart Cochran wants to shift the war of the Blue Pistol against the Slavers Guild in the new year. One scheme will involve convincing a Guild Master that the rivalry between the Dukedoms of Hilltown and Low Falls is on the verge of erupting into war. The other is to have bombs, disguised as letter boxes, sent to every Duke in the Settled Domains. What happens when these schemes explode?