Update May 2023:
Hey there! If you are outside of Australia you can buy the Little Bush Nurse books from Amazon, however currently Amazon are doing some weird things to stock and pricing - so an alternative is to buy from me in Sydney, Aus and I post out to you.
For Aussies, you can order direct from me or via Booktopia, Dymocks etc - most book shops have access to my stock. But buying direct from me has advantages such as a slightly lower price than RRP for Mucky Ucky and discounts for very large orders.
Shop links are just being set up so meanwhile send me an email to email@example.com or DM me on @littlebushnurse instagram and let's chat Ex Nurse Naomi x