I took the kids down to the library in the weekend and had a look around while they were doing their thing.
While my local library didn’t have a lot in stock, what they did have looks pretty useful.
I’ve seen Robert Wicks books advertised online and now having got a look at it it’s well presented with a lot of good info in it.
So check out your local library if you are looking for training material, and in the case of this book you can also buy it online in NZ.
http://www.fishpond.co.nz/Books/Adventure-Riding-Techniques-Robert-Wicks/9781844255726
