Books like The Runaway Robot
Lester del Rey
The Runaway Robot is 188 pages, about 3 hours 27 minutes at 250 words a minute.
12 books to read next
How long each takes
Foundation 4.4 h 
The Stepford Wives 2.9 h 
Klara and the Sun 6.1 h 
The Caves of Steel 4.5 h 
The Naked Sun 4.2 h 
The Robots of Dawn 8.2 h 
Robots and Empire 8.2 h 
The Complete Robot 10.2 h 
Robot Dreams 8.2 h 
A Psalm for the Wild-Built 2.8 h 
The Cyberiad 6.0 h 
R.U.R. and The Insect Play 2.0 h Bar height shows length. Estimated at 250 words a minute.