Originally Posted by Jellby
Unfortunately, it doesn't work:
Setting extended header data: 501 - EBOK
EXTH setting data: 501 - 501 - EBOK - 0x45424f4b
EXTH add: 501 - 501 - EBOK
GETSTRING: Author - Twain, Mark
CoverOffset - not printable
ThumbOffset - not printable
CDEContentType - EBOK
but the book still appears under "Documents" and not "Books". Interestingly, AZW3 books (converted with calibre) appear under "Books".
It must be something else (or a combination of things, then). I admit that the majority of my library on the Fire is AZW3, but the few MOBIs that I have still show up in "Books" rather than Docs. So it is certainly possible, at least. Perhaps EBOK in conjunction with an Amazon ASIN (perhaps any
Also note that even though my AZW3s and MOBIs show up under the "Books" menu, they're all still physically located in the "Documents" directory (file system).