Marathon is a skill book series in Kingdom Come: Deliverance. It has four books - I, II, III and IV, and can be read to learn Vitality.
Description[]
A skill book on vitality
Text[]
When you can't go on anymore, push yourself harder! What could happen? In the worst case scenario, you'll die at the finish line...
Where to Obtain[]
- I
- II
- III
- Steal from Sasau Monastery: Shelf below the middle window of the room next to the Alchemy room.

Marathon book 3 location