Watchmen of Rome is now available on audiobook. Check it out on Audible: http://www.audible.com/pd/Fiction/Watchmen-of-Rome-Audiobook/B01928PR08/ref=a_search_c4_1_1_srTtl?qid=1450034467&sr=1-1
6 types of sling bullets were discovered at Burnswark hillfort and #Roman siege works. The smallest type (III) has a 4mm hole in the side, which under test conditions were discovered to buzz like angry wasps. The Roman army put value in psychological warfare. #HillfortsWednesday