The Pikeman's Lament, a new addition to the expanding Osprey war-games rules series by Dan Mersey (of Lion Rampart fame and others). While this will be of limited use to our micro scale gaming, this promises to rejuvenate a bit of interest in the period which is always a good thing!
http://merseybooks.blogspot.com/2015/08/new-pike-shot-rules-under-way.html