I am looking at items like Manual of Bodily Health, Tome of Clear Thought, etc.
Quoting from Manual of Bodily Health
If you spend 48 hours ... your Constitution score increases by 2, as does your maximum for that score.
This sounds to me like when you read the tome according to the instructions, you are then allowed to increase your CON up to a maximum of 22.
- Is that a correct reading -- that these magic items allow a player to override the usual ability score maximum of 20?
- Probably, you were already at 20 when you read it, but if, say, you were at 18 and read it to bring your CON up to 20, could you then later increase your CON further via feats or ability score increases gained at certain levels?
- Can you read more than one book of the same type, to increase your maximum by an additional 2 points?