The Books Insiderindependent audiobook data
Adventure According to Humphrey by Betty G. Birney

Adventure According to Humphrey: Audiobook

Book 5 of the Humphrey series

According to The Books Insider's catalog data, the Adventure According to Humphrey audiobook runs 3 hours unabridged, narrated by William Dufris (about 2 hours at 1.5× playback speed).

3listening hrs
Animals & Nature (Kids)store shelf
2010released
Free for new listeners

The instrument When will you finish it?

Based on 3 hours of listening.

Days to finish Adventure According to Humphrey 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 runs longer than 77% of the 7,218 Animals & Nature (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

Adventure According to Humphrey is book 5 of Betty G. Birney's Humphrey series: a 3-hour unabridged recording, read by William Dufris, released February 4, 2010, on the Animals & Nature (Kids) shelf.

The listen at a glance

Length
3 hrs
Narrated by
William Dufris
Released
February 4, 2010
Format
Unabridged audiobook
Language
English
Store shelves
Animals & Nature (Kids)
Series
Humphrey #5
ISBN
9781101154588

How to listen to Adventure According to Humphrey free

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Questions listeners ask

How long is the Adventure According to Humphrey audiobook?

Adventure According to Humphrey runs 3 hours unabridged. At 1.5× speed that drops to roughly 2 hours.

Is the Adventure According to Humphrey audiobook free?

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

Who narrates Adventure According to Humphrey?

Adventure According to Humphrey is narrated by William Dufris.