The Books Insiderindependent audiobook data
The Tower: Billionaire Brothers Grimm, Book 1 by J. Kenner

The Tower: Billionaire Brothers Grimm, Book 1: Audiobook

Book 1 of the Billionaire Brothers Grimm series

According to The Books Insider's catalog data, The Tower: Billionaire Brothers Grimm, Book 1 runs 14.7 hours as an unabridged audiobook, narrated by Nikki Grey (about 9.8 hours at 1.5× playback speed).

14.7listening hrs
Modernstore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 14.7 hours of listening.

Days to finish The Tower: Billionaire Brothers Grimm, Book 1 at common listening paces
Your paceYou'll finish in
30 min / day30 days
1 hour / day15 days
2 hours / day8 days
1 hour / day at 1.5×10 days

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

What our data says

  • At 14.7 hours, it runs longer than 95% of the 16,241 Modern audiobooks in our catalog.

Catching up on Billionaire Brothers Grimm

This is book 1. Books 1 to 2 run 26.1 hours in all.

About as long, on the Modern shelf

644 Modern 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 Tower: Billionaire Brothers Grimm, Book 1 is book 1 of J. Kenner's Billionaire Brothers Grimm series: a 14.7-hour unabridged recording, read by Nikki Grey, released November 18, 2025, on the Modern and Mystery shelves.

The listen at a glance

Length
14.7 hrs
Narrated by
Nikki Grey
Released
November 18, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Modern, Mystery, Billionaire
Series
Billionaire Brothers Grimm #1
ISBN
9798347024117

How to listen to The Tower: Billionaire Brothers Grimm, Book 1 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 Tower: Billionaire Brothers Grimm, Book 1 as an audiobook?

The Tower: Billionaire Brothers Grimm, Book 1 runs 14.7 hours unabridged. At 1.5× speed that drops to roughly 9.8 hours.

Is The Tower: Billionaire Brothers Grimm, Book 1 free as an audiobook?

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

Who narrates The Tower: Billionaire Brothers Grimm, Book 1?

The Tower: Billionaire Brothers Grimm, Book 1 is narrated by Nikki Grey.

Is The Tower: Billionaire Brothers Grimm, Book 1 worth listening to at 1.5× speed?

At 1.5× you'd finish in about 9.8 hours, saving 4.9 hours.