The Books Insiderindependent audiobook data
Biological Rhythms by Daniel B. Forger

Biological Rhythms: Audiobook

According to The Books Insider's catalog data, the Biological Rhythms audiobook runs 5.7 hours unabridged, narrated by Kevin T. Collins (about 3.8 hours at 1.5× playback speed).

5.7listening hrs
Biology & Chemistrystore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 5.7 hours of listening.

Days to finish Biological Rhythms at common listening paces
Your paceYou'll finish in
30 min / day12 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 5.7 hours, it is shorter than 78% of the 1,603 Biology & Chemistry 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

Biological Rhythms is an audiobook by Daniel B. Forger: a 5.7-hour unabridged recording, read by Kevin T. Collins, released May 4, 2026, on the Biology & Chemistry shelf.

The listen at a glance

Length
5.7 hrs
Narrated by
Kevin T. Collins
Released
May 4, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Biology & Chemistry
ISBN
9781663758514

How to listen to Biological Rhythms 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.

Start listening free

Questions listeners ask

How long is the Biological Rhythms audiobook?

Biological Rhythms runs 5.7 hours unabridged. At 1.5× speed that drops to roughly 3.8 hours.

Is the Biological Rhythms audiobook free?

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

Who narrates Biological Rhythms?

Biological Rhythms is narrated by Kevin T. Collins.