Murderbot ebooks Humble Bundle is back:
https://www.humblebundle.com/books/martha-wells-murderbot-and-more-tor-books-encore
If you're looking for the books go grab them! This has all seven books plus the two main short stories plus I think a few other books by Martha Wells! And they're all published by Tor so the ebooks are DRM-free!
(These are the books in English)
(edit: this offer ends sometime on the 12th of December, by 6PM GMT-7:00)