Key takeaways
- An unabridged audiobook is the complete book read word for word. An abridged audiobook is a shortened version an editor cut before recording.
- Abridged editions usually lose descriptions, side plots, minor characters and, in non-fiction, examples and technical detail. They can be many hours shorter.
- Abridgment was common in the cassette and CD era, when every extra tape or disc cost money. Downloads made full-length recordings cheap, so most audiobooks today are unabridged.
- To check, look for the Unabridged or Abridged label, compare the runtime to the book length, and watch for words like condensed, adapted or dramatized.
- An abridged recording will not line up with a full ebook. HushBook avoids this by transcribing the audiobook itself, so the highlighted words always match what you hear.
An unabridged audiobook is the complete book, read word for word. An abridged audiobook is a shortened version, where an editor has cut parts of the text before it was recorded.
If you just want the whole book, choose unabridged. That's what most audiobooks are today. But abridged editions still turn up, especially for older titles, and they're easy to buy by mistake.
What gets cut in an abridged audiobook?
Usually the things an editor thinks you won't miss: long descriptions, side plots, minor characters, and in non-fiction, examples, references and technical detail. The main story survives. The texture often doesn't.
Abridged versions can be many hours shorter. Libro.fm, an audiobook store, says publishers sometimes make them to cut running time by several hours.
Why do abridged audiobooks exist at all?
Mostly history. Audiobooks used to come on cassette tapes and then CDs, and every extra tape or disc cost money to make and ship. A 20-hour novel on a box of cassettes was expensive. Cutting it to six hours made it cheaper and easier to sell.
Downloads removed most of that problem. A long book costs about the same to deliver as a short one, so publishers record the full text and abridged editions have become much less common. You'll still find them on older recordings, some celebrity-read titles, and radio-style dramatizations.
How to tell if an audiobook is unabridged
- Check the label. Most stores print "Unabridged" or "Abridged" on the listing, often in the product details or right under the title.
- Compare the length. A typical novel runs somewhere around 8 to 15 hours unabridged. If a 600-page book shows a 5-hour runtime, it has almost certainly been cut.
- Read the description. Look for words like "condensed", "adapted", "dramatized" or "radio play". A dramatization with a full cast is a different thing again, and it may change the text.
- Look at the narrator credit. A single narrator usually means a straight reading. Lots of named performers often means a dramatization.
If both versions exist, the unabridged one is nearly always the longer listing, even when the price is the same.
Which should you choose?
Unabridged, in almost every case. You get the book the author wrote, and if you're reading for a class or a book club, you're on the same page as everyone else, literally.
Abridged editions make sense in a few situations: a long non-fiction book where you only want the main argument, a classic you want to sample before committing to 40 hours, or a young listener who'd struggle with the full text. Just know what you're getting.
Why it matters if you read along
Abridgment causes a specific problem if you like to follow the text while you listen. Pair an abridged recording with a full ebook and the two stop matching within a few pages. Whole paragraphs get skipped and you lose your place.
HushBook avoids this by making the text from the recording itself. It transcribes the audiobook on your phone, then highlights each word as the narrator reads it. Whatever version you have, abridged or unabridged, the words on screen match what you hear, because they came from the same audio. Tap any word to jump to that moment.
It works with audiobook files you can legally import, such as MP3 and M4B, and with free public domain recordings from its built-in LibriVox and Internet Archive store. LibriVox volunteers generally record complete texts, which makes those a good place to start. Two limits: the transcript comes from speech recognition, so unusual names can come out wrong, and HushBook can't import protected files, such as Audible downloads.
If you'd rather use an ebook and an audiobook together, edition matching matters a lot. Can you read along with Audible? covers how Amazon handles it.
Sources
Frequently asked questions
What does unabridged mean on an audiobook?
It means the complete text of the book is read aloud, word for word, with nothing cut.
What is an abridged audiobook?
A shortened version of the book. An editor removes parts such as descriptions, subplots and minor characters before it is recorded.
How do I know if an audiobook is abridged?
Check the listing for an Abridged or Unabridged label, compare the runtime with the book's length, and look for words like condensed, adapted or dramatized in the description.
Should I buy abridged or unabridged?
Unabridged in almost every case, especially for school or a book club. Abridged can make sense for sampling a very long book or for young listeners.
Are most audiobooks unabridged now?
Yes. Abridged editions were common when audiobooks shipped on cassettes and CDs. With downloads, publishers mostly record the full text.
Can I read along with an abridged audiobook?
Not with a full ebook, because the text will stop matching. HushBook transcribes the recording itself, so the words on screen match whichever version you have.
Try read-along on a recording you own
Import an MP3 or M4B audiobook, let HushBook create the transcript on your phone, and follow every word with the narrator. Free to download, with optional Pro.