Questions tagged [epub]

A standard format for ebooks defined by the International Digital Publishing Forum (IDPF)

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9
votes
3answers
4k views

How can I optimize an epub file?

How can I optimize an epub file, in order, but not limited to: limit the chances of compatibility issues? make it faster to load and to be processed from the reader? keep its look consistent ...
4
votes
3answers
3k views

Epub cover does not display properly in Kobo app

I formatted an epub for an indie author. The author tells me that the cover displays properly on the Kindle and the Nook; I checked it in ADE and Calibre. It passed the IDPF epub validator. However, ...
6
votes
0answers
131 views

Epub file not turning pages on nook devices

OK, I'm having a very strange problem with a reflowable epub file I'm creating. It displays fine on most reading systems, but on the Nook, it will not advance pages across chapter breaks. Instead, it ...
8
votes
2answers
406 views

What is the easiest workflow to publish ePub files from highly structured database content?

I have a large amount of highly structured data (Bible verse translations and commentary) in an SQL database that I would like to make available in as widely usable an ebook format (or formats) as ...
8
votes
1answer
1k views

Is the file size limit for Nook epub files still 600MB?

Is the maximum file size for epubs sold through Barnes&Noble (via a publisher account) still 600MB?
6
votes
1answer
82 views

What does FlightCrew's “Unable to find zip structure: End-of-central-directory” mean?

I am experimenting with building my own .epub files and try to validate them using FlightCrew. Currently it says my file is invalid because it is Unable to find zip structure: End-of-central-...
10
votes
1answer
3k views

Epub OPF 'spine' element: how to exclude an html file from linear reading order, while allowing it to be accessed from a link

I converted an html source to epub with Calibre. Original 'html' source has got an individual html file for each footnote. Footnotes' files are reported in <spine> element of my content.opf, so ...
5
votes
1answer
131 views

Embed a CDF file into an EPUB 3

Can a Wolfram Computable Document Format (CDF) file be embedded in an EPUB 3 container? If not, is it possible to convert the CDF to HTML5 and then embed it?
8
votes
1answer
145 views

How do I permanently change the font size in HAN Software's ePub Reader?

I know I can easily zoom in or zoom out in HAN Software's ePub Reader but if I do this, whenever I re-open my ePub, I have to zoom in again. Is there a way I can set a static font size for ePub ...
19
votes
5answers
6k views

How to build an epub starting from a bunch of HTML files?

I have a number of short HTML files (actually they are XHTML) with small problems and answers, which I post on my blog every Sunday, and I'd like to merge some of them in an ebook. I already did it ...
9
votes
3answers
523 views

Is epub 3 meant to replace epub 2?

Will EPUB 2 remain an active standard now that EPUB 3 is out? More specifically: Should all new EPUB development use EPUB 3 regardless of the target platform (meaning e-ink along with tablet)? Are ...
5
votes
1answer
3k views

Page flipping effect in eBooks

I am new to the world of ebook publishing. I have created an ebook of format .epub and I am wondering what can I do to enable a page flipping effect when user navigates from one page to another, on a ...
15
votes
3answers
9k views

How can I automate the creation of EPUB files from series of existing JPEG photos?

I have multiple sets of JPEG photos (not images/scans of books, but of e.g. my children), that I would like to turn into EPUB files, so I can take them along on my ebook-reader and view them. Are ...
6
votes
1answer
3k views

How easy is it to add a table of contents to an epub book?

Some text editors (e.g. MS Word, or Atlassian Confluence Wiki editor) make it trivial to add a table of contents to a text that was properly formatted (e.g. has headings/chapter titles), by merely ...
6
votes
1answer
493 views

Are there Perl modules recommended for reading and creating epub files?

Are there any Perl modules that support the full epub format reading and writing? Ideally something that is maintained, so it includes or will include epub 3 compatibility.
4
votes
2answers
2k views

How do I easily convert and send PDFs to a Nook GlowLight or SimpleTouch's native format

Amazon makes it easy to convert PDFs and send to Kindle in the Kindle's native format. How to do this (simply!) on a Nook? I do know conversion is possible with tools such as Calibre but I was ...
6
votes
1answer
302 views

Is ePub3 backward compatible? [closed]

I am planning to publish a book and I am wondering whether to distribute it as ePub3 or ePub4. My concern being that older eBook readers may still be out there and I do not wish to exclude them. I ...
6
votes
1answer
107 views

Are there technical advantages of one common format over another?

Different e-reader devices support different ebook formats. The main two seem to be ePub and MOBI. I'm wondering why we have two commonly-used formats. Do they have different technical advantages, ...

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