Books like Lucky Starr and the Moons of Jupiter
Isaac Asimov
Lucky Starr and the Moons of Jupiter is 174 pages, about 3 hours 11 minutes at 250 words a minute.
12 books to read next
How long each takes
Dragonflight 5.7 h 
Podkayne of Mars 3.8 h 
My Teacher Glows in the Dark 2.6 h 
Red Planet 3.9 h 
The Mayflower Project 3.3 h 
Choose Your Own Adventure - War with the Evil Power Master 2.3 h 
Star Born 3.1 h 
Larklight 7.5 h 
Star Gate 3.5 h 
Plague Ship 3.1 h 
Catseye 3.5 h 
Uncharted Stars 4.6 h Bar height shows length. Estimated at 250 words a minute.