A letter from Scotland : giving a true relation of the present posture of affairs in that kingdom, in reference to the expected invasion from France; : and particularly, the care that was taken to prevent the Castle of Edinburgh from being betrayed. : Together with two proclamations, the one against ministers not praying for Their Majesties King William and Queen Mary. : The other for a solemn national monthly-fast : licensed May the 7th, J.F. 1692.