The Books Insiderindependent audiobook data
Shadows at Predator Reef by Franklin W. Dixon

Shadows at Predator Reef: Audiobook

Book 7 of the Hardy Boys Adventures series

According to The Books Insider's catalog data, the Shadows at Predator Reef audiobook runs 2.9 hours unabridged, narrated by Tim Gregory (about 1.9 hours at 1.5× playback speed).

2.9listening hrs
Non-fiction (Kids)store shelf
2016released
Free for new listeners

The instrument When will you finish it?

Based on 2.9 hours of listening.

Days to finish Shadows at Predator Reef 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 2.9 hours, it runs longer than 57% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.

Catching up on Hardy Boys Adventures

This is book 7. Books 1 to 6 run 19.4 hours before it; books 1 to 23 run 77.4 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

Shadows at Predator Reef is book 7 of Franklin W. Dixon's Hardy Boys Adventures series: a 2.9-hour unabridged recording, read by Tim Gregory, released June 1, 2016, on the Mystery & Fantasy and Non-fiction (Kids) shelves.

The listen at a glance

Length
2.9 hrs
Narrated by
Tim Gregory
Released
June 1, 2016
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy, Non-fiction (Kids)
Series
Hardy Boys Adventures #7
ISBN
9781621886068

How to listen to Shadows at Predator Reef free

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Questions listeners ask

How long is the Shadows at Predator Reef audiobook?

Shadows at Predator Reef runs 2.9 hours unabridged. At 1.5× speed that drops to roughly 1.9 hours.

Is the Shadows at Predator Reef audiobook free?

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

Who narrates Shadows at Predator Reef?

Shadows at Predator Reef is narrated by Tim Gregory.