Re: [libreoffice-users] assembling an OTM into an EPUB.

On 10/17/2023 3:59 AM, Philip Jackson wrote:
> On 17/10/2023 03:28, Virgil Arrington wrote:
> > And, if you’re serious about publishing to the Amazon Kindle store 
> > then you might want to check out Kindle Previewer as well.
> After finalising the setup in Sigil, I run the epub through Amazon's 
> Previewer to check how it displays and if all's good, Previewer will 
> export a .kpf file which is one of KDP's preferred formats for 
> uploading (they'll also accept epub). 

That's interesting that Amazon accepts EPUB files. I've always been 
under the impression that Kindles only use one of Amazon's proprietary 
file formats. In fact, I have never found a way to load and read an EPUB 
file on a Kindle device, whether it's my dedicated Kindle, a Kindle 
Fire, or the Kindle app on my phone. Is there some secret to getting 
Kindles to read and display EPUB files?

Perhaps there is a difference between what Amazon will accept for their 
store and what will actually display on a Kindle device.

Virgil




> I'm not sure about what's exactly inside the kpf file but it's 
> 'enormous' compared to the original epub file although a subsequent 
> download from Amazon is only about the same size as the epub. So 
> possibly the kpf contains several variants that Amazon uses for 
> different readers.
>
> I also check the epub display in Adobe Digital Editions. One thing is 
> for sure, not all ereading devices are equal and sometimes they can 
> give an awful display. 'Drop Caps' are one of the worst for 
> variability when you compare the appearance on different reading devices.
>
> Philip

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