Quote:
Originally Posted by 5aLIVE
The ASIN for this book is B076ZX6CGB which I see matches a folder name in My Kindle Contents folder. This book is available in the US as the author is a fellow American. Hopefully the sample file will give you the information you need.
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I was able to examine the book in question and what I see is similar to what you stated except that I get a PDF from KFX of 15MB instead of 25MB.
That book in KFX format has been split by Amazon into 26 individual PDF files, each holding up to 20 pages. The main reason that the split PDFs total to a size larger than the original is that they each contain a copy of the fonts that they use, which are many in this book. The recombining of the individual files back into a single PDF done by KFX Input using pypdf does not eliminate duplicate fonts and so the resulting PDF contains multiple duplicate fonts, making up most of its size.
I will research options to better handle this situation for a future KFX Input plugin release. Thanks for bringing it to my attention.