When you're logged into your Kobo Writing Life account, click on the book you'd like to add to Kobo Plus. You can choose to include your book in all territories Kobo Plus is available, or select specific countries.
Opt in to all territories by selecting the checkbox and the option "Include everywhere Kobo Plus is available". This will ensure your book is available to Kobo Plus subscribers in all territories where the subscription is available.
To select only certain territories, click on "Select specific territories for Kobo Plus" and you will be given the option to choose countries.
Once you've selected to opt in your title, all you'll need to do is click Save and continue and your title will be made available once its published. If it's already published, all you need to do is save your changes.
If you'd like to bulk opt in your books, please let us know by submitting a request above. We can manually opt in these titles for you.