Books like The Day of the Triffids
John Wyndham, Marcel Battin, Cover by Andy Bridge
The Day of the Triffids is 270 pages, about 4 hours 57 minutes at 250 words a minute.
12 books to read next
How long each takes
The Invisible Man 3.1 h 
The House on the Borderland 3.3 h 
Phantastes 3.6 h 
A Princess of Mars 3.2 h 
The Sirens of Titan 5.9 h 
Player Piano 5.7 h 
The First Men in the Moon 4.4 h 
The Napoleon of Notting Hill 2.9 h 
The Wood Beyond the World 2.6 h 
The Martian 7.5 h 
Carmilla 1.7 h 
Who Goes There? 4.2 h Bar height shows length. Estimated at 250 words a minute.