War with the devil, or, The young man's conflict with the powers of darkness : in a dialogue discovering the corruption and vanity of youth, the horrible nature of sin, and deplorable condition of fallen man, also, a description of the power and rule of conscience, and the nature of true conversion. : To which is added, an appendix, containing a dialogue between an old apostate and a young professor, worthy the perusal of all, but chiefly intended for the instruction of the younger sort. /