The Books Insiderindependent audiobook data
The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey by Betty G. Birney

The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey: Audiobook

Part of Humphrey

According to The Books Insider's catalog data, The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey runs 13.5 hours as an unabridged audiobook, narrated by Hal Hollings and William Dufris (about 9 hours at 1.5× playback speed).

13.5listening hrs
Animals & Nature (Kids)store shelf
2024released
Free for new listeners

The instrument When will you finish it?

Based on 13.5 hours of listening.

Days to finish The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey at common listening paces
Your paceYou'll finish in
30 min / day27 days
1 hour / day14 days
2 hours / day7 days
1 hour / day at 1.5×9 days

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

What our data says

  • At 13.5 hours, it runs longer than 100% 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

The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey is an audiobook by Betty G. Birney: a 13.5-hour unabridged recording, read by Hal Hollings and William Dufris, released December 10, 2024, on the Animals & Nature (Kids) and Humor shelves.

The listen at a glance

Length
13.5 hrs
Narrated by
Hal Hollings, William Dufris
Released
December 10, 2024
Format
Unabridged audiobook
Language
English
Store shelves
Animals & Nature (Kids), Humor
Series
Humphrey
ISBN
9798217079049

How to listen to The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey free

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Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey as an audiobook?

The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey runs 13.5 hours unabridged. At 1.5× speed that drops to roughly 9 hours.

Is The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey free as an audiobook?

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

Who narrates The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey?

The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey is narrated by Hal Hollings and William Dufris.

Is The Humphrey Audio Collection, Books 4-7: Surprises According to Humphrey; Adventure According to Humphrey; Summer According to Humphrey; and School Days According to Humphrey worth listening to at 1.5× speed?

At 1.5× you'd finish in about 9 hours, saving 4.5 hours.