Everything You Need To Know About ePub eBooks

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All About ePub eBooks

ePub is the current open ebook format that is standardized by the International Digital Publishing Forum (IDPF). ePub files come with the .epub file extension and can be read with a variety of different ebook programs and e-reading devices. They are easy to use and create.

This is an original article by the author of eBook Reader Software. It is not available for re-use without permission.

ePub Background Basics

International Digital Publishing Forum LogoThe ePub ebook format is goverened by the International Digital Publishing Forum (IDPF). They maintain current standards on the format. IDPF is also the organization that standardized the "open ebook" format, which was the precursor to ePub. You can find a complete list of format specifications on their website.

Here are the most important points about the ePub standard format:

  • It's free and open standard
  • It uses re-flowable text, which means that the text will re-orient itself to match your screen size
  • It supports images
  • It uses CSS
  • It can support DRM, but DRM is not required
  • It makes use of metadata
What does that mean for you, a reader of ebooks? In a nutshell, it means that ePub files are generally easy to work with and can be used on a variety of operating systems and devices. It is the best eBook format choice for mobile devices with screens smaller than your computer screen, because the text will re-orient itself to fit your screen size.

eReaders That Read ePub eBooks

eReading Devices that can read EPUB

eReading devices that can use ePub eBooks: Acer Lumiread, Android devices, Barnes & Noble Nook, BeBook, Cybook Gen3 Opus, COOL-ER, Cruz Reader, Ctaindia's eGriver Ebook Reader, eClicto, eSlick, Hanlin eReader, Hanvon N516, N518, N520, N526, iPad, iPhone, and iPod Touch, iRex Digital Reader 800, 1000, iRiver Story, Kobo eReader, Pandigital Novel, Plastic Logic, PocketBook Reader, Sony Reader

This list is not comprehensive, and you should check the tech specs of your particular reading device to verify whether it can use .epub files or not. Most devices that are being released nowadays can read ePub. An exception to that is the Kindle, although Amazon claims that it will add ePub support sometime.

ePubs on Your Device

This is a very generalized overview of which software you can use for your particular device. In all cases, if you have an ePub ebooks that was created for a specific app or software, just use the app that was recommended. For example, if you download ebooks from Google Books, go ahead and use the Google Books app. For all other ePubs that aren't necessarily attached to a certain app, here is a guide:

Apple iPad, iPhone, iPod Touch

I recommend Bluefire Reader. It works with standard ePubs as well as those protected by Adobe's DRM. Get detailed Bluefire Reader instructions here.

Dedicated eReaders including Nook, BeBook, Cybook, Kobo, Aluratek, Sony Reader

If you have an ePub without DRM, you can simply transfer the ebook to your device as you would any other file. If it does have DRM, you will need to use Adobe Digital Editions.

Android smartphones and tablets

I recommend Aldiko Book Reader. It works with standard ePubs as well as those protected by Adobe's DRM. Get detailed Aldiko instructions here.

Kindle

Amazon has hinted that it will allow ePubs on the Kindle, but as of right now it is not possible.

Free ePub Reading Software

There are a lot of free programs available that can read ePub files. These are some of the most commonly used.
Adobe Digital Editions
Reads both DRM and non-DRM epub ebooks. Most people aren't jazzed about DRM, but since mainstream book publishers require it on their ebook downloads, you can at least use Adobe Digital Editions to read popular modern books in ePub format.
Calibre
Use Calibre to both read and create ePub files.
iBooks
iBooks for iPhone, iPod Touch, and iPad can read ePub files. Download it through iTunes.
Mobipocket
Mobipocket Reader was created for the original Open eBook format, and has been a good ebook reading choice for many years.
Bookworm
Bookworm from O'Reilly allows readers to add ePub books to their online library and read them on their web browser or e-reading device.
Stanza
Stanza is a free application that you can use to read ePub ebooks on your iPhone, iPad, and iPod Touch.

Make Your Own ePubs with Calibre

Super-Basic Instructions

CalibreThese are very basic instructions on how to create an ePub eBook using Calibre. Once you are comfortable with this process you can get more fancy.

Step 1 - Install Calibre

Download Calibre for your OS

Step 2 - Import a File

- Open Calibre
- Click the "Add Books" button (upper left corner)
- Find the file you want to use. You can convert almost any unsecured document, including PDF, Word, txt, and HTML.

Step 3 - Convert to ePub

- Your file should now appear in the main section of the screen. Right-click it > Convert ebooks > Convert individually
- Edit any of the metadata and other settings that you want. When you're finished, click the OK button at the bottom.
- Calibre will process the book and create an epub file. From this point you can view your file and adjust it if necessary.

Make Your Own ePubs with Sigil

Super Basic Instructions

How to make epubs with SigilSigil has an excellent online guide with screenshots that will walk you through making your first ePub eBook. I've also written a quick overview here. After you've gone through the basic steps you can get more detailed with your creations.

Step 1 - Install Sigil

Download Sigil for your OS

Step 2 - Import a File

Sigil can import TXT, HTML, and other ePub files. Go to File > Open to open your book file. I recommend HTML so that you have the most control over your formatting.

Step 3 - Modify Metadata

Right away you should modify the metadata for your ebook. Go to Tools > Meta Editor and enter the Title, Author, and anything else you like.

Step 4 - Add a Cover Image

You can insert an image anywhere you put your cursor in the text. If you want to include a cover image, put your cursor at the very front of the text. Then go to Insert > Image.

Step 5 - Save as ePub

Go to File > Save As and save your work. The ebook is now in ePub format.

That's the basic way to get started but you should learn about more of the features of the program and add as much formatting to your ePub as you want to make it look stylish and professional. Read my tips on using Sigil for some additional information on formatting.

Where to get ePub ebooks

eBookMall EPUB eBookseBookMall
Shop for ebooks in ePub format. Popular modern titles available for Adobe Digital Editions. Some have DRM if required by the publisher, and others don't have DRM. Look at their ePub FAQ for a lot of information and instructions.

Google Books
Get tons of free ebooks in ePub format. Mostly classic titles that are in the public domain. You can get instructions for downloading the books in ePub format from their blog.

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