SPOILER.
.
.
.
.
.
.
.
.
.
The one for con is on the lightmouse map in the cave up north.
The one for STR and Wisdom is in candlekeep, so you cant get till near the end.
There is one for wisdom you get in baldurs gate in a temple on the docks but is part of an adventure.
CHR is in the gnoll map in one of the caves.
And I cant remeber where dex and int is.
