The Books Insiderindependent audiobook data
The Secret of the Caves by Franklin W. Dixon

The Secret of the Caves: Audiobook

Book 7 of the Hardy Boys series

According to The Books Insider's catalog data, The Secret of the Caves runs 4.2 hours as an unabridged audiobook, narrated by Wayne Evans (about 2.8 hours at 1.5× playback speed).

4.2listening hrs
Mystery & Fantasystore shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 4.2 hours of listening.

Days to finish The Secret of the Caves at common listening paces
Your paceYou'll finish in
30 min / day9 days
1 hour / day5 days
2 hours / day3 days
1 hour / day at 1.5×3 days

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

What our data says

  • At 4.2 hours, it is shorter than 57% of the 7,923 Mystery & Fantasy audiobooks in our catalog.

About as long, on the Mystery & Fantasy shelf

538 Mystery & Fantasy audiobooks in our catalog run within 10% of this length. The most popular on the store:

Other recordings

  • The 2025 recording read by Hayden Bishop runs about the same length (4.1 hours).
  • The 2025 recording read by Jim Hodges runs 0.3 hours shorter (3.9 hours).
  • The 2025 recording read by Caleb Summers runs about the same length (4.3 hours).

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

The Secret of the Caves is book 7 of Franklin W. Dixon's Hardy Boys series: a 4.2-hour unabridged recording, read by Wayne Evans, released September 3, 2024, on the Mystery & Fantasy and Classics (Kids) shelves.

The listen at a glance

Length
4.2 hrs
Narrated by
Wayne Evans
Released
September 3, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy, Classics (Kids)
Series
The Hardy Boys Series #7
ISBN
9798874804862

How to listen to The Secret of the Caves free

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Questions listeners ask

How long is The Secret of the Caves as an audiobook?

The Secret of the Caves runs 4.2 hours unabridged. At 1.5× speed that drops to roughly 2.8 hours.

Is The Secret of the Caves free as an audiobook?

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

Who narrates The Secret of the Caves?

The Secret of the Caves is narrated by Wayne Evans.