The Books Insiderindependent audiobook data
Mermaid Academy: Serena and Opal by Julie Sykes, Linda Chapman

Mermaid Academy: Serena and Opal: Audiobook

Book 20 of the Mermaid Academy series

According to The Books Insider's catalog data, the Mermaid Academy: Serena and Opal audiobook runs 1.3 hours unabridged, narrated by Kristin Atherton (about 0.9 hours at 1.5× playback speed).

1.3listening hrs
Fairy Tales & Folklore (Kids)store shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 1.3 hours of listening.

Days to finish Mermaid Academy: Serena and Opal at common listening paces
Your paceYou'll finish in
30 min / day3 days
1 hour / day2 days
2 hours / day1 day
1 hour / day at 1.5×1 day

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 59% of the 3,228 Fairy Tales & Folklore (Kids) audiobooks in our catalog.

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

Mermaid Academy: Serena and Opal is book 20 of Julie Sykes's Mermaid Academy series: a 1.3-hour unabridged recording, read by Kristin Atherton, released November 13, 2025, on the Fairy Tales & Folklore (Kids) shelf.

The listen at a glance

Length
1.3 hrs
Narrated by
Kristin Atherton
Released
November 13, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Fairy Tales & Folklore (Kids)
Series
Mermaid Academy #20
ISBN
9781805138884

How to listen to Mermaid Academy: Serena and Opal free

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Questions listeners ask

How long is the Mermaid Academy: Serena and Opal audiobook?

Mermaid Academy: Serena and Opal runs 1.3 hours unabridged. At 1.5× speed that drops to roughly 0.9 hours.

Is the Mermaid Academy: Serena and Opal audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Mermaid Academy: Serena and Opal?

Mermaid Academy: Serena and Opal is narrated by Kristin Atherton.