George MacDonald books in order
13 books in the catalogue, about 42 hours of reading in all; the shortest takes 44 minutes and the longest 8 hours.
1 series and 12 standalone books in the catalogue.
Malcolm
2 books
Malcolm 8.0 h The Marquis of Lossie length not known
Standalone books
The Princess and Curdie 3.3 h 
Phantastes 3.6 h 
At the Back of the North Wind 5.7 h 
The Princess and the Goblin 3.4 h 
The Wise Woman 2.6 h 
A Book of Strife in the Form of the Diary of an Old Soul 2.4 h 
The Light Princess, and Other Fairy Tales 2.1 h 
Lilith 5.0 h 
The Day Boy and the Night Girl 44 min 
The Golden Key 1.6 h 
The Light Princess 59 min 
George MacDonald - An Anthology 2.9 h