The Books Insiderindependent audiobook data
The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. by Joseph Pepe

The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart.: Audiobook

Book 2 of the Ledger Arithmetic series

According to The Books Insider's catalog data, The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. runs 7.9 hours as an unabridged audiobook, narrated by Joseph Pepe (about 5.3 hours at 1.5× playback speed).

7.9listening hrs
Science Fictionstore shelf
2026released
Free for new listeners

The instrument When will you finish it?

Based on 7.9 hours of listening.

Days to finish The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. at common listening paces
Your paceYou'll finish in
30 min / day16 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×6 days

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

What our data says

  • At 7.9 hours, it is shorter than 57% of the 13,269 Science Fiction audiobooks in our catalog.

About as long, on the Science Fiction shelf

1,700 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 Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. is book 2 of Joseph Pepe's Ledger Arithmetic series: a 7.9-hour unabridged recording, read by Joseph Pepe, released March 12, 2026, on the Science Fiction and Psychological shelves.

The listen at a glance

Length
7.9 hrs
Narrated by
Joseph Pepe
Released
March 12, 2026
Format
Unabridged audiobook
Language
English
Store shelves
Science Fiction, Psychological, Fantasy
Series
The Ledger Arithmetic #2
ISBN
9798240040795

How to listen to The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. free

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Questions listeners ask

How long is The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. as an audiobook?

The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. runs 7.9 hours unabridged. At 1.5× speed that drops to roughly 5.3 hours.

Is The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. free as an audiobook?

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

Who narrates The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart.?

The Mathematics of Grief: In a world ruled by fatal equations, the deadliest sin is a broken heart. is narrated by Joseph Pepe.