Vellum 3.4 macOS

Vellum is an eBook-generating tool that lets you easily create an eBook from a text manuscript or from scratch within the application. Choose the appropriate style from several options, view instant previews of the finished product, and easily generate and regenerate eBooks with a single click to avoid disaster upon finding mistakes.
Create ebooks for every platform: Kindle, Kobo, Apple Books, and more. Each specialized file can guide readers to buy your next book in their favorite store.
Compatibility:mac OS 10.15 or later (Apple Silicon compatible)
Homepage:

https://vellum.pub