Books like Mission Unstoppable
Dan Gutman
Mission Unstoppable is 293 pages, about 5 hours 22 minutes at 250 words a minute.
12 books to read next
How long each takes
The Door to Time 4.2 h 
The Sight 6.7 h 
Confessions of a Murder Suspect 7.0 h 
The Wind Singer 6.5 h 
Rainbow Valley 4.4 h 
Vespers Rising 4.1 h 
Superfudge 3.1 h 
The River of Adventure 3.3 h 
Dark Places 6.8 h 
Treasure Hunters 8.3 h 
The Replacement 6.3 h 
The Grimm Conclusion 7.0 h Bar height shows length. Estimated at 250 words a minute.