Books like The Puppet Masters
Robert A. Heinlein
The Puppet Masters is 224 pages, about 4 hours 6 minutes at 250 words a minute.
12 books to read next
How long each takes
The Illustrated Man 4.6 h 
Footfall 9.8 h 
Downward to the Earth 3.5 h 
Planet of the Damned 3.1 h 
Death's End 13.3 h 
Lights Out 5.3 h 
Binti 2.2 h 
Stories of Your Life and Others 5.8 h 
Gateway 5.7 h 
The Humans 5.2 h 
Children of the Mind 7.0 h 
The End of All Things 7.0 h Bar height shows length. Estimated at 250 words a minute.