Continuing with Spiritual Warfare, and introducing the book for February.

"The Christian in Complete Armour" by William Gurnall

That is how he spells it. Armour. 

The first volume was published in 1655, the second in 1658 and the third volume in 1662.

The on e i am looking at was published in 2010 and is a "Faithful reproduction of the Blackie and Son (Scotland) edition, published in 1865, with an intro and biography of the Author by J.C. Ryle.