The Books Insiderindependent audiobook data
The Great Brain by John Fitzgerald

The Great Brain: Audiobook

Book 1 of the Great Brain series

According to The Books Insider's catalog data, The Great Brain runs 4.7 hours as an unabridged audiobook, narrated by Ron McLarty (about 3.1 hours at 1.5× playback speed).

4.7listening hrs
Non-fiction (Kids)store shelf
2002released
Free for new listeners

The instrument When will you finish it?

Based on 4.7 hours of listening.

Days to finish The Great Brain at common listening paces
Your paceYou'll finish in
30 min / day10 days
1 hour / day5 days
2 hours / day3 days
1 hour / day at 1.5×4 days

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

What our data says

  • At 4.7 hours, it runs longer than 71% of the 14,091 Non-fiction (Kids) audiobooks in our catalog.

Catching up on The Great Brain

This is book 1. Books 1 to 7 run 28.4 hours in all.

More narrated by Ron McLarty

Ron McLarty narrates 79 unabridged audiobooks in our catalog, 595 hours in all.

All Ron McLarty audiobooks, measured

About as long, on the Non-fiction (Kids) shelf

1,052 Non-fiction (Kids) audiobooks in our catalog run within 10% of this length. The most popular on the store:

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 Great Brain is book 1 of John Fitzgerald's Great Brain series: a 4.7-hour unabridged recording, read by Ron McLarty, released May 28, 2002, on the Non-fiction (Kids) and Humor shelves.

The listen at a glance

Length
4.7 hrs
Narrated by
Ron McLarty
Released
May 28, 2002
Format
Unabridged audiobook
Language
English
Store shelves
Non-fiction (Kids), Humor
Series
The Great Brain #1
ISBN
9780807207369

How to listen to The Great Brain free

New members at audiobooks.com get three free audiobooks with the trial.

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 Great Brain as an audiobook?

The Great Brain runs 4.7 hours unabridged. At 1.5× speed that drops to roughly 3.1 hours.

Is The Great Brain free as an audiobook?

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

Who narrates The Great Brain?

The Great Brain is narrated by Ron McLarty.