"I'll tell you what pressure is. Pressure is a Messerschmitt up your arse. Playing cricket is not."
Not something that would normally be available to the public I imagine. You'll probably find publishing details when you get your order, if it's anything like the Infantry ones, it's generally made available to the units in the Regiments and to members of the association.
I notice you are in Melbourne. It would be worth your while to travel the hour out of Melbourne to the RAAC Museum at Puckapunyal and visit the shop there. They have a pretty good book selection featuring Australian Armour including titles that aren't carried by Hylands. Earlier this year (May) I picked up a number of back issues of 'Ironsides' (5 or 6) including the 3 you have in addition to a swag of other books and gear. Be sure to check online when they are open as it would be a pity to travel all that way to find them closed ...