The Wizards of Once: Knock Three Times: Audiobook
Book 3 of the Wizards of Once series
According to The Books Insider's catalog data, The Wizards of Once: Knock Three Times runs 6.1 hours as an unabridged audiobook, narrated by David Tennant (about 4.1 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 6.1 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 13 days |
| 1 hour / day | 7 days |
| 2 hours / day | 4 days |
| 1 hour / day at 1.5× | 5 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 6.1 hours, it runs longer than 83% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
Catching up on The Wizards of Once
This is book 3. Books 1 to 2 run 11.6 hours before it; books 1 to 4 run 23.9 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | The Wizards of Once | 6 hrs |
| 2 | The TWICE MAGIC | 5.6 hrs |
| 3 | The Wizards of Once: Knock Three Times | 6.1 hrs |
| 4 | The Wizards of Once: Never and Forever | 6.1 hrs |
More narrated by David Tennant
David Tennant narrates 70 unabridged audiobooks in our catalog, 366 hours in all.
About as long, on the Non-fiction (Kids) shelf
1,230 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
The Wizards of Once: Knock Three Times is book 3 of Cressida Cowell's Wizards of Once series: a 6.1-hour unabridged recording, read by David Tennant, released February 11, 2020, on the Non-fiction (Kids) and Fairy Tales & Folklore (Kids) shelves.
The listen at a glance
- Length
- 6.1 hrs
- Narrated by
- David Tennant
- Released
- February 11, 2020
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids), Fairy Tales & Folklore (Kids)
- Series
- The Wizards of Once #3
- ISBN
- 9781478999485
How to listen to The Wizards of Once: Knock Three Times free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is The Wizards of Once: Knock Three Times as an audiobook?
The Wizards of Once: Knock Three Times runs 6.1 hours unabridged. At 1.5× speed that drops to roughly 4.1 hours.
Is The Wizards of Once: Knock Three Times free as an audiobook?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates The Wizards of Once: Knock Three Times?
The Wizards of Once: Knock Three Times is narrated by David Tennant.