Books like Armageddon Summer
Jane Yolen, Bruce Coville
Armageddon Summer is 266 pages, about 4 hours 53 minutes at 250 words a minute.
12 books to read next
How long each takes
Are You There God? It's Me, Margaret 2.8 h 
Killing Mr. Griffin 4.5 h 
Angel 5.9 h 
Hunted 6.2 h 
The Growing Pains of Adrian Mole 4.3 h 
The Great Gilly Hopkins 2.7 h 
Heartbreaker 2.5 h 
People Might Hear You 3.7 h 
Runaway 3.1 h 
1-800-Where-R-You 5.0 h 
The Pigman's Legacy 3.1 h 
Girls Like Us 4.1 h Bar height shows length. Estimated at 250 words a minute.