The Books Insiderindependent audiobook data
Noumenon Ultra by Marina J. Lostetter

Noumenon Ultra: Audiobook

Book 3 of the Noumenon series

According to The Books Insider's catalog data, the Noumenon Ultra audiobook runs 19.4 hours unabridged, narrated by Celeste Ciulla (about 12.9 hours at 1.5× playback speed).

19.4listening hrs
Science Fictionstore shelf
2020released
Free for new listeners

The instrument When will you finish it?

Based on 19.4 hours of listening.

Days to finish Noumenon Ultra at common listening paces
Your paceYou'll finish in
30 min / day39 days
1 hour / day20 days
2 hours / day10 days
1 hour / day at 1.5×13 days

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

What our data says

  • At 19.4 hours, it runs longer than 95% of the 13,269 Science Fiction audiobooks in our catalog.

Catching up on Noumenon

This is book 3. Books 1 to 2 run 37 hours before it; books 1 to 3 run 56.4 hours in all.

BookTitleLength
1Noumenon15.1 hrs
2Noumenon Infinity21.9 hrs
3Noumenon Ultra19.4 hrs

About as long, on the Science Fiction shelf

491 Science Fiction 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

Noumenon Ultra is book 3 of Marina J. Lostetter's Noumenon series: a 19.4-hour unabridged recording, read by Celeste Ciulla, released August 20, 2020, on the Science Fiction shelf.

The listen at a glance

Length
19.4 hrs
Narrated by
Celeste Ciulla
Released
August 20, 2020
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction
Series
Noumenon #3
ISBN
9780008412876

How to listen to Noumenon Ultra 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 Noumenon Ultra audiobook?

Noumenon Ultra runs 19.4 hours unabridged. At 1.5× speed that drops to roughly 12.9 hours.

Is the Noumenon Ultra audiobook free?

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

Who narrates Noumenon Ultra?

Noumenon Ultra is narrated by Celeste Ciulla.

Is Noumenon Ultra worth listening to at 1.5× speed?

At 1.5× you'd finish in about 12.9 hours, saving 6.5 hours.