Sorry, this link might be broken.

https://www.australianbookreview.com.au/abr-online/archive/1986/584-october-1986-no-85/7455-brenda-walker-reviews-jumbo-by-gabrielle-lord

The website may no longer be active, or the URL of the page may have changed.
It is possible that either https://archive.org/web or http://pandora.nla.gov.au have archived this content.

Thank you.