The Books Insiderindependent audiobook data
Agatha H. and the Voice of the Castle by Kaja Foglio, Phil Foglio

Agatha H. and the Voice of the Castle: Audiobook

Book 3 of the Girl Genius series

According to The Books Insider's catalog data, the Agatha H. and the Voice of the Castle audiobook runs 17.4 hours unabridged, narrated by Angela Dawe (about 11.6 hours at 1.5× playback speed).

17.4listening hrs
Science Fictionstore shelf
2015released
Free for new listeners

The instrument When will you finish it?

Based on 17.4 hours of listening.

Days to finish Agatha H. and the Voice of the Castle at common listening paces
Your paceYou'll finish in
30 min / day35 days
1 hour / day18 days
2 hours / day9 days
1 hour / day at 1.5×12 days

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

What our data says

  • At 17.4 hours, it runs longer than 93% of the 13,269 Science Fiction audiobooks in our catalog.

More narrated by Angela Dawe

Angela Dawe narrates 462 unabridged audiobooks in our catalog, 4,211 hours in all.

All Angela Dawe audiobooks, measured

About as long, on the Science Fiction shelf

689 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

Agatha H. and the Voice of the Castle is book 3 of Kaja Foglio's Girl Genius series: a 17.4-hour unabridged recording, read by Angela Dawe, released January 20, 2015, on the Science Fiction and Fantasy shelves.

The listen at a glance

Length
17.4 hrs
Narrated by
Angela Dawe
Released
January 20, 2015
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Fantasy
Series
Girl Genius Series #3
ISBN
9781441878625

How to listen to Agatha H. and the Voice of the Castle free

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Questions listeners ask

How long is the Agatha H. and the Voice of the Castle audiobook?

Agatha H. and the Voice of the Castle runs 17.4 hours unabridged. At 1.5× speed that drops to roughly 11.6 hours.

Is the Agatha H. and the Voice of the Castle audiobook free?

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

Who narrates Agatha H. and the Voice of the Castle?

Agatha H. and the Voice of the Castle is narrated by Angela Dawe.

Is Agatha H. and the Voice of the Castle worth listening to at 1.5× speed?

At 1.5× you'd finish in about 11.6 hours, saving 5.8 hours.