How to add supplemental material (PDF) to your audiobook

Supplemental material, also known as "bonus content" can be included with your audiobook at some distribution partners (i.e. Apple & Google). Examples include workbooks, guides, illustrations, maps, diagrams, etc.

Supplemental PDF requirements:

1. No larger than 10MB

2. Maximum of one (1) PDF file

Not all partners support supplemental material.

1. Navigate to your project's Metadata tab

2. Scroll down below the Title and Subtitle sections

3. Click on the Upload a Supplemental File box

4. Upload your single PDF file (under 10MB)

5. Don't forget to "Republish" your changes!