Book does not show on device view in Calibre

[Neill Bassford]

I am using Calibre 2.37.1 on a Win 7 32 bit PC with a Kindle Voyage

When I use the device icon to view books on my Kindle Voyage one book does not display in the grid. This is a free book from Amazon that I got three days ago. When I use Explorer to look at the Kindle, I can see the folder the book supposed to be in, but there is no AZW3 file in that folder or it's sub-folders. I can read the book on the Kindle, but Calibre can't see it.

I have attached the book. I looked at the files, and they don't seem to be encrypted.

[Kovid Goyal (kovid)]

KFX (a new ebook format from Amazon) is not an actual file, it is a bundle of separate files, and it is
encrypted, so it is not possible to handle it in calibre, see
http://www.mobileread.com/forums/showthread.php?t=263902 for details.
You can get the normal azw3 version of the book by going to your "Manage my content and devices" page on amazon.com and downloading the book from there.

 status wontfix

[Neill Bassford (neillb)]

Dear Mr. Goyal,
     I understand and agree with your point on this "bug". However, you
might consider detecting and displaying the "book" in Calibre with a
note that the kfx format is not supported to avoid confusion in the
users mind.

  Kudos on a fabulous application, I love the way Calibre does its job
in such a direct and intuitive way.

                 Neill Bassford

On 9/15/2015 11:32 PM, Kovid Goyal wrote:
> KFX (a new ebook format from Amazon) is not an actual file, it is a bundle of separate files, and it is
> encrypted, so it is not possible to handle it in calibre, see
> http://www.mobileread.com/forums/showthread.php?t=263902 for details.
> You can get the normal azw3 version of the book by going to your "Manage my content and devices" page on amazon.com and downloading the book from there.
>
> status wontfix
>
> ** Changed in: calibre
> Status: New => Won't Fix
>

[Kovid Goyal (kovid)]

I certainly might end up doing that, but since KFX is such a new
developement, it is better to wait a little and see how things play out.