Where to find this information?

[Wacken]

Hello, i am a new player. I have read a few books now and am reading more. All these books explain about odds and outs very well.
I can calculate my odds pretty well now. What my problem is, i have no clue what my opponents are thinking (1/2 limit)
For example, when i bid or raise my overcards i have no idea what my fold equity is, some of them call me with nothing while others call me with trips or whatever they can have.

For a while i have used poker edge, and it helped me tremendously in these points, but that is now banned. I usually am not long enough at a table with the same opponents to get to know them really with the exception of some real strange players.

Is there any book or other source of information that focusses not so on those odds and outs but more on these parts of the game, preferably focussed on todays internet poker and including the low limits ? (of course this is all different for live poker and other limits)