The Books Insiderindependent audiobook data
Monday with a Mad Genius by Mary Pope Osborne

Monday with a Mad Genius: Audiobook

Book 10 of the Magic Tree House (R) Merlin Mission series

According to The Books Insider's catalog data, the Monday with a Mad Genius audiobook runs 1.7 hours unabridged, narrated by Mary Pope Osborne (about 1.1 hours at 1.5× playback speed).

1.7listening hrs
Mystery & Fantasystore shelf
2007released
Free for new listeners

The instrument When will you finish it?

Based on 1.7 hours of listening.

Days to finish Monday with a Mad Genius at common listening paces
Your paceYou'll finish in
30 min / day4 days
1 hour / day2 days
2 hours / day1 day
1 hour / day at 1.5×2 days

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

What our data says

  • At 1.7 hours, it is shorter than 78% of the 7,923 Mystery & Fantasy audiobooks in our catalog.

Catching up on Magic Tree House (R) Merlin Mission

This is book 10. Books 1 to 9 run 12 hours before it; books 1 to 10 run 13.7 hours in all.

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

Monday with a Mad Genius is book 10 of Mary Pope Osborne's Magic Tree House (R) Merlin Mission series: a 1.7-hour unabridged recording, read by Mary Pope Osborne, released August 28, 2007, on the Mystery & Fantasy shelf.

The listen at a glance

Length
1.7 hrs
Narrated by
Mary Pope Osborne
Released
August 28, 2007
Format
Unabridged audiobook
Language
English
Store shelves
Mystery & Fantasy
Series
Magic Tree House (R) Merlin Mission #10
ISBN
9780739356661

How to listen to Monday with a Mad Genius free

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Questions listeners ask

How long is the Monday with a Mad Genius audiobook?

Monday with a Mad Genius runs 1.7 hours unabridged. At 1.5× speed that drops to roughly 1.1 hours.

Is the Monday with a Mad Genius audiobook free?

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

Who narrates Monday with a Mad Genius?

Monday with a Mad Genius is narrated by Mary Pope Osborne.