EPUB 转 AZW3
AZW3 是排版效果最好的 Kindle 格式，把 EPUB 转过去能在 Kindle 上获得更舒适的阅读体验。
来自
To
EPUB
The open ebook standard used by most readers and stores. Text reflows to fit any screen size.
AZW3
Amazon's modern Kindle format, with better typography and layout support than MOBI.