High Time for Heroes: Audiobook
Book 23 of the Magic Tree House (R) Merlin Mission series
According to The Books Insider's catalog data, the High Time for Heroes audiobook runs 1.8 hours unabridged, narrated by Mary Pope Osborne (about 1.2 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 1.8 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 4 days |
| 1 hour / day | 2 days |
| 2 hours / day | 1 day |
| 1 hour / day at 1.5× | 2 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 1.8 hours, it runs longer than 53% of the 37,584 Kids audiobooks in our catalog.
More narrated by Mary Pope Osborne
Mary Pope Osborne narrates 87 unabridged audiobooks in our catalog, 161 hours in all.
- Magic Tree House Collection: Books 1-8
- Magic Tree House Collection: Books 9-16: #9: Dolphins at Daybreak; #10: Ghost Town; #11: Lions; #12: Polar Bears Past Bedtime; #13: Volcano; #14: Dragon King; #15: Viking Ships; #16: Olympics
- Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn
- Magic Tree House Collection: Books 17-24
- Merlin Missions Collection: Books 1-8: Christmas in Camelot; Haunted Castle on Hallows Eve; Summer of the Sea Serpent; Winter of the Ice Wizard; Carnival at Candlelight; and more
About as long, on the Kids shelf
1,278 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
High Time for Heroes is book 23 of Mary Pope Osborne's Magic Tree House (R) Merlin Mission series: a 1.8-hour unabridged recording, read by Mary Pope Osborne, released January 7, 2014, on the Kids shelf.
The listen at a glance
- Length
- 1.8 hrs
- Narrated by
- Mary Pope Osborne
- Released
- January 7, 2014
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Kids
- Series
- Magic Tree House (R) Merlin Mission #23
- ISBN
- 9780449808610
How to listen to High Time for Heroes 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 High Time for Heroes audiobook?
High Time for Heroes runs 1.8 hours unabridged. At 1.5× speed that drops to roughly 1.2 hours.
Is the High Time for Heroes audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates High Time for Heroes?
High Time for Heroes is narrated by Mary Pope Osborne.