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salty-horse · 08-15-2022, 02:19 PM

Reading a recently-purchased Kindle file in the Kindle app in KFX format, I see that "computer text" sections in the book are styled with "font-family: monospace".

When I ask the Kindle software for the ebook in AZW3 format, those text sections are not monospace, but in the CSS file, the style definition for it contains a font name.

Looking at a copy of the physical book, I see it uses this font for those sections.

What's going on here? I assumed the KFX format is the "best" one provided by Amazon, as it includes embedded fonts. Why doesn't it include the actual fonts that the AZW3 file hints at?

Is it a quirk of this particular ebook, something the ebook creation software left in? Or is this a case of information loss in the Kindle publishing system when it converts between formats?

08-15-2022, 02:19 PM	#1
salty-horse Wizard Posts: 2,028 Karma: 21036090 Join Date: Sep 2008 Device: Kobo Clara 2E	Mysterious font information in AZW3 file Reading a recently-purchased Kindle file in the Kindle app in KFX format, I see that "computer text" sections in the book are styled with "font-family: monospace". When I ask the Kindle software for the ebook in AZW3 format, those text sections are not monospace, but in the CSS file, the style definition for it contains a font name. Looking at a copy of the physical book, I see it uses this font for those sections. What's going on here? I assumed the KFX format is the "best" one provided by Amazon, as it includes embedded fonts. Why doesn't it include the actual fonts that the AZW3 file hints at? Is it a quirk of this particular ebook, something the ebook creation software left in? Or is this a case of information loss in the Kindle publishing system when it converts between formats?