The 39 Clues: Unstoppable, Book 3: Countdown

Unabridged Audiobook

Written By: Natalie Standiford

Narrated By: David Pittu

Publisher: Scholastic Inc.

Date: May 2014

Duration: 4 hours 51 minutes


The 39 Clues is unstoppable! The bestselling series returns with an adventure spanning four explosive books and a website that places readers right in the action.

Confidential until May 2014!