War with the Devil: or, The young mans 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 definition, 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. The seventh impression. By B.K. Licensed and entred according to order.