Books like Into the Gauntlet
Margaret Peterson Haddix
Into the Gauntlet is 309 pages, about 5 hours 40 minutes at 250 words a minute.
12 books to read next
How long each takes
Beyond the Grave 3.5 h 
The 39 Clues 3.8 h 
Trust No One 3.5 h 
Storm Warning 3.5 h 
The Medusa Plot 4.0 h 
Day of Doom 5.0 h 
The Emperor's Code 3.6 h 
Surprise Island 3.3 h 
The Viper's Nest 3.2 h 
The Yellow House Mystery 3.5 h 
Mystery Ranch 2.3 h 
Snowbound Mystery 2.4 h Bar height shows length. Estimated at 250 words a minute.