Adds a button to a book's goodreads page to open that book's page in Aussie Amazon
目前為 2021-06-19 提交的版本，檢視 最新版本。
這裡只顯示彼此間有代碼差異的版本。 顯示所有版本。
Tweaked the script to work for Goodreads pages where the ISBN is sometimes flagged as the ISBN13 version, which is not what amazon uses
