The Books Insiderindependent audiobook data
Toxic Heart by Theo Lawrence

Toxic Heart: Audiobook

Book 2 of the Mystic City series

According to The Books Insider's catalog data, the Toxic Heart audiobook runs 10.3 hours unabridged, narrated by Celeste Ciulla (about 6.9 hours at 1.5× playback speed).

10.3listening hrs
Romance (Teen & YA)store shelf
2014released
Free for new listeners

The instrument When will you finish it?

Based on 10.3 hours of listening.

Days to finish Toxic Heart at common listening paces
Your paceYou'll finish in
30 min / day21 days
1 hour / day11 days
2 hours / day6 days
1 hour / day at 1.5×7 days

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

What our data says

  • At 10.3 hours, it runs longer than 68% of the 4,186 Romance (Teen & YA) audiobooks in our catalog.

Catching up on Mystic City

This is book 2. Book 1 runs 11.4 hours before it; books 1 to 2 run 21.7 hours in all.

BookTitleLength
1Mystic City11.4 hrs
2Toxic Heart10.3 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

Toxic Heart is book 2 of Theo Lawrence's Mystic City series: a 10.3-hour unabridged recording, read by Celeste Ciulla, released April 8, 2014, on the Romance (Teen & YA) shelf.

The listen at a glance

Length
10.3 hrs
Narrated by
Celeste Ciulla
Released
April 8, 2014
Format
Unabridged audiobook
Language
English
Store shelves
Romance (Teen & YA)
Series
Mystic City #2
ISBN
9781490613994

How to listen to Toxic Heart 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 Toxic Heart audiobook?

Toxic Heart runs 10.3 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.

Is the Toxic Heart audiobook free?

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

Who narrates Toxic Heart?

Toxic Heart is narrated by Celeste Ciulla.

Is Toxic Heart worth listening to at 1.5× speed?

At 1.5× you'd finish in about 6.9 hours, saving 3.4 hours.