Op shopping I also found Down to Earth by Rhonda Hetzel (ISBN 978-0-670-07592-8, 2012). She is also from South-east Queensland.
So far I've only read five chapters but it is engaging, and she has a recipe for making soap. Her theme is simple living and it is from the view of a retiree.
She also has a blog https://down---to---earth.blogspot.com/