This software can convert pretty much any eBook and document format into a Kindle friendly format such as .MOBI.

这个软件能够转换几乎任何类型的电子书和文档到Kindle支持的格式，比如.MOBI。

youdao

Just log on, download in a relevant format, such as .mobi for a Kindle or EPUB for a smart phone, and start reading instantly.

BBC: Free e-books provide unlimited holiday reading

They understand both that the manner in which Apple owns the tablet market, and the importance of the Kindle application that reads (.mobi) the files.

FORBES: DOJ v Apple: What Happens Next

The downside to all of this is that the prequel book is currently exclusive to Amazon.com preorders and the eBook is specifically announced for the Amazon Kindle and it does not specify whether or not it will be offered in .epub or .mobi format.

FORBES: 'BioShock Infinite: Mind in Revolt' Prequel eBook Announced as Bonus