Prince Roberts message to my Lord of Essex: with an answer to his desires touching the construction of the lawes and certaine other points to the great satisfaction of all people : wherein is declared his wicked resolutions mask'd under the pretention of loyalty unto his Uncle, Our Kings Majesty : together with his desire of a pitch-field in Dunsmore-Heath with the true relation of his wicked and tyrannicall proceedings where hee goes : also the true relation of a challenge hee gave unto his excellencie &c together with the entertainment hee and his brother, Prince Mavrice, found in Shrewsbury by the trained bands and other pieus people there inhabiting : also the wonderfull mercy of God shewed towards His Excellencie in delivering his honour from a fatall conspiracy pretended against his person at Worcester