E-book Enhancement for Launch

I need an experienced professional to help me enhance my e-book for a successful launch.

Key Requirements:
- Integrate audio narration throughout the entire e-book.
- Ensure the payment link is set up and functioning correctly via PayPal.
- Format the e-book for download as a PDF.

Ideal Skills and Experience:
- Proficiency in e-book formatting and enhancement.
- Experience with integrating audio into e-books.
- Familiarity with setting up payment links in e-books.
- Knowledge in e-book distribution and launch strategies.