Books like Teutonic Magic
Kveldulf Gundarsson
Teutonic Magic is 336 pages, about 6 hours 10 minutes at 250 words a minute.
7 books to read next
How long each takes
The Book of Runes 2.8 h 
Practical Guide To The Runes 3.3 h 
Rune Power 4.6 h 
Taking Up The Runes 7.9 h 
Runes 1.1 h 
Runelore 4.2 h 
Rune Magic 3.9 h Bar height shows length. Estimated at 250 words a minute.