The Books Insiderindependent audiobook data
Return to the Hidden Moon An unexpected Adventure in Outer Space by J.S. Keim

Return to the Hidden Moon An unexpected Adventure in Outer Space: Audiobook

Book 2 of the Hidden Moon series

According to The Books Insider's catalog data, the Return to the Hidden Moon An unexpected Adventure in Outer Space audiobook runs 3 hours unabridged, narrated by Charles Hubbell (about 2 hours at 1.5× playback speed).

3listening hrs
Mystery & Fantasystore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 3 hours of listening.

Days to finish Return to the Hidden Moon An unexpected Adventure in Outer Space at common listening paces
Your paceYou'll finish in
30 min / day6 days
1 hour / day3 days
2 hours / day2 days
1 hour / day at 1.5×2 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 3 hours, it is shorter than 66% of the 7,923 Mystery & Fantasy audiobooks in our catalog.

Catching up on The Hidden Moon Series

This is book 2. Book 1 runs 2.8 hours before it; books 1 to 3 run 8.6 hours in all.

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

Return to the Hidden Moon An unexpected Adventure in Outer Space is book 2 of J.S. Keim's Hidden Moon series: a 3-hour unabridged recording, read by Charles Hubbell, released May 24, 2026, on the Mystery & Fantasy and Fairy Tales & Folklore (Kids) shelves.

The listen at a glance

Length
3 hrs
Narrated by
Charles Hubbell
Released
May 24, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy, Fairy Tales & Folklore (Kids)
Series
The Hidden Moon Series #2
ISBN
9780466203849

How to listen to Return to the Hidden Moon An unexpected Adventure in Outer Space free

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Questions listeners ask

How long is the Return to the Hidden Moon An unexpected Adventure in Outer Space audiobook?

Return to the Hidden Moon An unexpected Adventure in Outer Space runs 3 hours unabridged. At 1.5× speed that drops to roughly 2 hours.

Is the Return to the Hidden Moon An unexpected Adventure in Outer Space audiobook free?

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

Who narrates Return to the Hidden Moon An unexpected Adventure in Outer Space?

Return to the Hidden Moon An unexpected Adventure in Outer Space is narrated by Charles Hubbell.