A letter sent from a worthy divine, to the right honourable, the Lord Mayor of the City of London. [electronic resource] : Being a true relation of the battaile fought betweene His Majesty, and his Excellence the Earle of Essex. From Warwicke Castle the 24. of October 1642. at two a clock in the morning. Together with a prayer for the happy uniting of the King and Parliament, fit to be used by all good Christians, daily in their houses