Dark Day in the Deep Sea: Audiobook
Book 11 of the Magic Tree House Merlin Mission series
According to The Books Insider's catalog data, the Dark Day in the Deep Sea audiobook runs 1.3 hours unabridged, narrated by Mary Pope Osborne (about 0.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 1.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 3 days |
| 1 hour / day | 2 days |
| 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 1.3 hours, it runs longer than 61% of the 2,696 Animals & Nature (Kids) audiobooks in our catalog.
More narrated by Mary Pope Osborne
Mary Pope Osborne narrates 44 unabridged audiobooks in our catalog, 89 hours in all.
- Magic Tree House: Books 1 and 2: Dinosaurs Before Dark, The Knight at Dawn
- 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
- Merlin Missions Collection: Books 17-24: A Crazy Day with Cobras; Dogs in the Dead of Night; Abe Lincoln at Last!; A Perfect Time for Pandas; and more
- World at War, 1944
- Shadow of the Shark
About as long, on the Animals & Nature (Kids) shelf
97 Animals & Nature (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:
- My Nice Magic Friend The Unicorn
- I Survived the Japanese Tsunami, 2011 (I Survived #8)
- Goldie (The Puppy Place #1): Puppy Place #1: Goldie Digital Download
- Eve of the Emperor Penguin
- Dog Diaries: Happy Howlidays: A Middle School Story
Computed from 170,512 English-language unabridged audiobooks in The Books Insider catalog (store data read October 21, 2026). Lengths are the store's own running times. Methodology.
About this listen
Dark Day in the Deep Sea is book 11 of Mary Pope Osborne's Magic Tree House Merlin Mission series: a 1.3-hour unabridged recording, read by Mary Pope Osborne, released March 25, 2008, on the Animals & Nature (Kids) shelf.
The listen at a glance
- Length
- 1.3 hrs
- Narrated by
- Mary Pope Osborne
- Released
- March 25, 2008
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Animals & Nature (Kids)
- Series
- Magic Tree House Merlin Mission #11
- ISBN
- 9780739362693
How to listen to Dark Day in the Deep Sea 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 Dark Day in the Deep Sea audiobook?
Dark Day in the Deep Sea runs 1.3 hours unabridged. At 1.5× speed that drops to roughly 0.9 hours.
Is the Dark Day in the Deep Sea audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Dark Day in the Deep Sea?
Dark Day in the Deep Sea is narrated by Mary Pope Osborne.