The Books Insiderindependent audiobook data
The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home by Patrick K. O’donnell

The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home: Audiobook

According to The Books Insider's catalog data, The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home runs 12.9 hours as an unabridged audiobook, narrated by Dan Woren (about 8.6 hours at 1.5× playback speed).

12.9listening hrs
Military (History)store shelf
2018released
Free for new listeners

The instrument When will you finish it?

Based on 12.9 hours of listening.

Days to finish The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home at common listening paces
Your paceYou'll finish in
30 min / day26 days
1 hour / day13 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 12.9 hours, it runs longer than 72% of the 4,743 Military (History) 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 Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home is an audiobook by Patrick K. O’donnell: a 12.9-hour unabridged recording, read by Dan Woren, released May 1, 2018, on the Military (History) shelf.

The listen at a glance

Length
12.9 hrs
Narrated by
Dan Woren
Released
May 1, 2018
Format
Unabridged audiobook
Language
English
Store shelves
Military (History)
ISBN
9781538589564

How to listen to The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home free

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Questions listeners ask

How long is The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home as an audiobook?

The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home runs 12.9 hours unabridged. At 1.5× speed that drops to roughly 8.6 hours.

Is The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home free as an audiobook?

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

Who narrates The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home?

The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home is narrated by Dan Woren.

Is The Unknowns: The Untold Story of America’s Unknown Soldier and WWI’s Most Decorated Heroes Who Brought Him Home worth listening to at 1.5× speed?

At 1.5× you'd finish in about 8.6 hours, saving 4.3 hours.