I learnt the hard way and taught myself.
My first deer was real beginners luck, but it gave me the incentive to keep on trying till I got the next, which was a long time coming. After 20 or 30 deer it got easy.
The skills I learnt deer stalking have been transferable to most other types of game I' ve hunted.
I beleive sharpening your senses and getting your eyes tuned in is a big part of sucess. Can only learn so much from books and others.