Matt Haig books in order
18 books in the catalogue, about 102 hours of reading in all; the shortest takes 4 hours and the longest 7 hours.
18 standalone books in the catalogue.
Standalone books
A Boy Called Christmas 4.4 h 
The Humans (2 editions) 5.6 h 
Brand Failures 5.2 h 
Samuel Blink and the Forbidden Forest 6.5 h 
The Dead Fathers Club 6.2 h 
Shadow Forest 5.9 h 
The Possession of Mr Cave 4.5 h 
The Radleys 6.5 h 
Reasons to Stay Alive 5.0 h 
The Girl Who Saved Christmas 6.0 h 
How to Stop Time 6.2 h 
Notes on a Nervous Planet 5.9 h 
A Biblioteca Da Meia Noite 5.7 h 
The Midnight Library 5.6 h 
Gece Yarisi Kütüphanesi 5.4 h 
La Biblioteca de la Medianoche 6.2 h 
The Comfort Book 5.0 h 
Life Impossible 6.2 h