Finally, Aunkai in print.......
https://www.amazon.co.uk/Introduction-Bujutsu-Aunkai-Lécole-Akuzawa/dp/1729497268/ref=sr_1_1?keywords=Aunkai&qid=1555012770&s=gateway&sr=8-1
Only problem is that it is French. Slowly working through it with GCSE level French and Google translate, worth the effort though.