With a little planning up front, you can use your podcast to generate an audiobook: A new format you can sell for minimal ancillary effort.
The Digital Representation of You
Podcasting offers the ability to create a virtual "rolling book tour" to 1) find new readers and 2) create fans of you and your work. It's simple to set up and run this strategy, even if you've never worked with audio before. Start from the bottom to begin the series.