The Books Insiderindependent audiobook data
The Alien Corps: A Sword and Planet Adventure by PJ McDermott

The Alien Corps: A Sword and Planet Adventure: Audiobook

Book 1 of the Prosperine series

According to The Books Insider's catalog data, The Alien Corps: A Sword and Planet Adventure runs 6.8 hours as an unabridged audiobook, narrated by Lisa Michelle Negron (about 4.5 hours at 1.5× playback speed).

6.8listening hrs
Science Fictionstore shelf
2019released
Free for new listeners

The instrument When will you finish it?

Based on 6.8 hours of listening.

Days to finish The Alien Corps: A Sword and Planet Adventure at common listening paces
Your paceYou'll finish in
30 min / day14 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 6.8 hours, it is shorter than 65% of the 13,269 Science Fiction audiobooks in our catalog.

About as long, on the Science Fiction shelf

1,242 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

The Alien Corps: A Sword and Planet Adventure is book 1 of PJ McDermott's Prosperine series: a 6.8-hour unabridged recording, read by Lisa Michelle Negron, released June 14, 2019, on the Science Fiction and Space Opera shelves.

The listen at a glance

Length
6.8 hrs
Narrated by
Lisa Michelle Negron
Released
June 14, 2019
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Space Opera
Series
Prosperine #1
ISBN
9780648092117

How to listen to The Alien Corps: A Sword and Planet Adventure free

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Questions listeners ask

How long is The Alien Corps: A Sword and Planet Adventure as an audiobook?

The Alien Corps: A Sword and Planet Adventure runs 6.8 hours unabridged. At 1.5× speed that drops to roughly 4.5 hours.

Is The Alien Corps: A Sword and Planet Adventure free as an audiobook?

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

Who narrates The Alien Corps: A Sword and Planet Adventure?

The Alien Corps: A Sword and Planet Adventure is narrated by Lisa Michelle Negron.