The Books Insiderindependent audiobook data
The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! by Ralph Castle

The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less!: Audiobook

According to The Books Insider's catalog data, The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! runs 5.1 hours as an unabridged audiobook, narrated by Zachary Dylan Brown (about 3.4 hours at 1.5× playback speed).

5.1listening hrs
Self-Developmentstore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 5.1 hours of listening.

Days to finish The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! at common listening paces
Your paceYou'll finish in
30 min / day11 days
1 hour / day6 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 5.1 hours, it runs longer than 55% of the 26,666 Self-Development 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 Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! is an audiobook by Ralph Castle: a 5.1-hour unabridged recording, read by Zachary Dylan Brown, released December 17, 2019, on the Self-Development shelf.

The listen at a glance

Length
5.1 hrs
Narrated by
Zachary Dylan Brown
Released
December 17, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Self-Development
ISBN
9781982796204

How to listen to The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! free

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Questions listeners ask

How long is The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! as an audiobook?

The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! runs 5.1 hours unabridged. At 1.5× speed that drops to roughly 3.4 hours.

Is The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! free as an audiobook?

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

Who narrates The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less!?

The Memory Bible: 4 Books in 1: Radically Improve Your Reading Speed, Learning Skill and Memory Power in 48 Hours or Less! is narrated by Zachary Dylan Brown.