Which I think is not bad at all.
The Aust Geo is a great magazine and has the benefit of supporting OZ wildlife - a double bonus.
Here is what you get in the offer:
" 1. FREE Australian Geographic Explorers Backpack valued at $34.95
2. Four stunning issues a year.
3. 10% discount in all Australian Geographic stores.
4. Discounts on holidays and adventure travel.
5. FREE original maps or posters with every issue.
6. Membership of the Australian Geographic Society, supporting Australian science, conservation, adventure and research."