Horrible Harry's Secret: Audiobook
Book 4 of the Horrible Harry series
According to The Books Insider's catalog data, the Horrible Harry's Secret audiobook runs 0.5 hours unabridged, narrated by Johnny Heller (about 0.3 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 0.5 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 1 day |
| 1 hour / day | 1 day |
| 2 hours / day | 1 day |
| 1 hour / day at 1.5× | 1 day |
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 0.5 hours, it is shorter than 69% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.
Catching up on Horrible Harry
This is book 4. Books 1 to 3 run 1.9 hours before it; books 1 to 13 run 7.4 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Horrible Harry in Room 2B | 0.4 hrs |
| 2 | Horrible Harry and the Green Slime | 0.8 hrs |
| 3 | Horrible Harry and the Ant Invasion | 0.7 hrs |
| 4 | Horrible Harry's Secret | 0.5 hrs |
| 5 | Horrible Harry and the Christmas Surprise | 0.5 hrs |
| 6 | Horrible Harry and the Kickball Wedding | 0.7 hrs |
| 7 | Horrible Harry and the Dungeon | 0.6 hrs |
| 8 | Horrible Harry and the Purple People | 0.5 hrs |
| 9 | Horrible Harry and the Drop of Doom | 0.6 hrs |
| 10 | Horrible Harry Moves up to the Third Grade | 0.7 hrs |
| 11 | Horrible Harry Goes to the Moon | 0.6 hrs |
| 12 | Horrible Harry at Halloween | 0.5 hrs |
More narrated by Johnny Heller
Johnny Heller narrates 569 unabridged audiobooks in our catalog, 3,574 hours in all.
About as long, on the Non-fiction (Kids) shelf
259 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Charles Darwin's On the Origin of Species
- The Amber the Orange Fairy: Book 2 in the classic rainbow fairies series
- Goldie The Sunshine Fairy: The Weather Fairies Book 4
- The Fern the Green Fairy: The Rainbow Fairies Book 4
- Who Is Colin Kaepernick?
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
Horrible Harry's Secret is book 4 of Suzy Kline's Horrible Harry series: a 0.5-hour unabridged recording, read by Johnny Heller, released January 25, 2013, on the Non-fiction (Kids) and Humor shelves.
The listen at a glance
- Length
- 0.5 hrs
- Narrated by
- Johnny Heller
- Released
- January 25, 2013
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Non-fiction (Kids), Humor
- Series
- Horrible Harry #4
- ISBN
- 9781470355722
How to listen to Horrible Harry's Secret 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 Horrible Harry's Secret audiobook?
Horrible Harry's Secret runs 0.5 hours unabridged. At 1.5× speed that drops to roughly 0.3 hours.
Is the Horrible Harry's Secret audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Horrible Harry's Secret?
Horrible Harry's Secret is narrated by Johnny Heller.