Summer of the Sea Serpent: Audiobook
Book 3 of the Magic Tree House (R) Merlin Mission series
According to The Books Insider's catalog data, the Summer of the Sea Serpent audiobook runs 1.3 hours unabridged, narrated by Mary Pope Osborne (about 0.8 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 is shorter than 80% of the 3,045 Mystery & Fantasy 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
- Dark Day in the Deep Sea
- World at War, 1944
About as long, on the Mystery & Fantasy shelf
97 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:
- Haunted Castle on Hallows Eve
- Moonlight on the Magic Flute
- Hurricane Heroes in Texas
- Winter of the Ice Wizard
- My Weird School Special: It's Halloween, I'm Turning Green!
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
Summer of the Sea Serpent is book 3 of Mary Pope Osborne's Magic Tree House (R) Merlin Mission series: a 1.3-hour unabridged recording, read by Mary Pope Osborne, released September 11, 2007, on the Mystery & Fantasy and Fairy Tales & Folklore (Kids) shelves.
The listen at a glance
- Length
- 1.3 hrs
- Narrated by
- Mary Pope Osborne
- Released
- September 11, 2007
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Mystery & Fantasy, Fairy Tales & Folklore (Kids)
- Series
- Magic Tree House (R) Merlin Mission #3
- ISBN
- 9780739362099
How to listen to Summer of the Sea Serpent 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 Summer of the Sea Serpent audiobook?
Summer of the Sea Serpent runs 1.3 hours unabridged. At 1.5× speed that drops to roughly 0.8 hours.
Is the Summer of the Sea Serpent audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Summer of the Sea Serpent?
Summer of the Sea Serpent is narrated by Mary Pope Osborne.