Good fetch'd out of evil : in three short essays. : I. A pastoral letter, of Mr. John Williams, the faithful Pastor of Deerfield; now detain'd a captive in Canada; written to part of his flock, and some others, returning out of their captivity. II. The conduct and constancy of the New-English captives when strongly tempted unto the popish idolatries. And certain plain poems, written by some of them, to fortify their children against such temptations. III. An account of most remarkable and memorable deliverances, received by many of the captives; and great things done by their Almighty Deliverer for them. : Collected and published, that the glorious God may have the glory of his power and goodness; and that his people may reap some advantage from what has befallen their brethren