Books like The Return of Merlin
Deepak Chopra
The Return of Merlin is 422 pages, about 7 hours 44 minutes at 250 words a minute.
12 books to read next
How long each takes
The Crystal Cave 8.8 h 
The Last Enchantment 9.4 h 
The Hollow Hills 8.7 h 
Merlín 8.8 h 
The Once and Future King 12.0 h 
The Prince and the Pilgrim 5.7 h 
The Book of Merlyn 3.5 h 
Grail 6.9 h 
Enemy of God 7.6 h 
Le Morte D'Arthur 9.1 h 
The Winter King 8.0 h 
The Mists of Avalon 16.1 h Bar height shows length. Estimated at 250 words a minute.