The Books Insiderindependent audiobook data
The Particle by Rose Somer, Kelly Winsa

The Particle: Audiobook

Book 2 of the Robi's Flying Saucer series

According to The Books Insider's catalog data, The Particle runs 6.4 hours as an unabridged audiobook, narrated by Keira Grace (about 4.3 hours at 1.5× playback speed).

6.4listening hrs
Teen & YAstore shelf
2023released
Free for new listeners

The instrument When will you finish it?

Based on 6.4 hours of listening.

Days to finish The Particle at common listening paces
Your paceYou'll finish in
30 min / day13 days
1 hour / day7 days
2 hours / day4 days
1 hour / day at 1.5×5 days

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

What our data says

  • At 6.4 hours, it is shorter than 66% of the 17,065 Teen & YA audiobooks in our catalog.

Catching up on Robi's Flying Saucer Series

This is book 2. Book 1 runs 6.3 hours before it; books 1 to 2 run 12.7 hours in all.

BookTitleLength
1Robi's Flying Saucer Drive-In6.3 hrs
2The Particle6.4 hrs

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 Particle is book 2 of Rose Somer's Robi's Flying Saucer series: a 6.4-hour unabridged recording, read by Keira Grace, released January 20, 2023, on the Teen & YA shelf.

The listen at a glance

Length
6.4 hrs
Narrated by
Keira Grace
Released
January 20, 2023
Format
Unabridged audiobook
Language
English
Store shelves
Teen & YA
Series
Robi's Flying Saucer Series #2
ISBN
9781778233951

How to listen to The Particle 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 Particle as an audiobook?

The Particle runs 6.4 hours unabridged. At 1.5× speed that drops to roughly 4.3 hours.

Is The Particle free as an audiobook?

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

Who narrates The Particle?

The Particle is narrated by Keira Grace.