Latest books I've read of some WMA use
Barbarians, Maruauders and Infidels by Antonio Santosusso
http://www.amazon.com/Barbarians-Marauders-Infidels-Medieval-Warfare/dp/0813391539/ref=sr_1_1?ie=UTF8&qid=1320020011&sr=8-1
The book covers medieval warfare from the fall of Rome to the advent of gunpowder and the Renaissance. TSantosuisso covers a little bit of everything from the hilariously destructive Longobards, who are so used to looting, pillaging, and destroying things, that when they settled in Italy they kept looting and pillaging and destroying themselves, to Muslim invaders, to specific commentary on weapons as well as tactics in the realm of heavy cavalry and infantry with specific details on formation and use in the field. Of note for the WMA crowd will be the section on battle tactics, weaponry and armor which the author spends some time on.
Interestingly enough, the author also shows different points of view, citing modern historians and their take on certain events, even if they conflict.
Sovereign of the Seas by Angus Konstam
http://www.amazon.com/Sovereigns-Sea-Perfect-Renaissance-Battleship/dp/0470116676/ref=sr_1_sc_1?s=books&ie=UTF8&qid=1320020242&sr=1-1-spell
This fascinating read covers the construction of warships from the Hundred Years war to the 1600's, with the Sovereign of the Seas representing the first 'ship of the line' that could have sailed alongside HMS Victory 200 years later and done just fine.
The story involves the reluctant use of math in constructing ships, the often wasteful expenditure on boats, that rarely saw action, and the slow, uneasy and uneven transition from boarding actions to gunnery. Of special note are the wrecks which have been recovered, how they were, an what was on board- in particular Henry VIII's Mary Rose and Gustaf Adolphus' Vassa. Of note to the WMA crowd, weaponry on the Mary Rose and the unsure and haphazard way warfare changed and was (or was not) written about. Just as we lack written 'how to' material, the same goes for those interested in the naval side of Medieval to Renaissance and Baroque history. The author has snippets of information, and has to piece together what the ships looked like, how they fought, how and why they sank and how the mish-mosh of technology was used. Nice to know that those in other fields encounter the same issues as WMA researchers.




