Thy wish in script, etchings and.. sound
[link|http://www.bhagavad-gita.org/index-english.html|Bhagavad-Gita]
TM? Heh..
Maharishi was a physicist (!) Came by to visit us once.. smushed in beside him to the consternation of the er guard guys. Pretty much monopolized him for a half hour or so as we walked around looking at accelerator stuff (WTF: carpe diem). Nice conversation about ~ the limitations of physics. And, what Else is there? Yup he really was a physicist.. Too. Oh - and memorable to meet. Gave me a rose.
As to the TM stuff. There's really no One Right intro, as likely you realize; also, while logic is where we ever begin, it often isn't enough - for sure it won't get one beyond 'appearances', however elegant the deductions. That's prolly why it's so hard to recommend - anything on such topics, of a "general sort".
But the deep conflicts, ultimate questions beneath just the 'apparent story' of Arjuna and Krishna's exchanges, can come through. Unless you don't have ~ questions actually. Then the plot reads pretty crazy, and the actions seem plain grisly. ('Course it helps to recall what human wars are like; we have lots of recent experience). But it isn't another 'Art of War' thing.
Good luck.
Ashton