Syvanne\'s \"Military History of Late Rome 284-361\"

[Nathan Ross]

I see this book is now available at last! Has anybody read it?


http://www.pen-and-sword.co.uk/Military-...ack/p/4115


I'd be interested to know how and why Syvanne arges "that the Roman shift from infantry to cavalry as the dominant arm occurred considerably earlier than usually accepted". How much earlier, I wonder?