[perfect_wave]

Ryan Heise's site is a good place to start with this:

https://www.ryanheise.com/cube/theory.html https://www.ryanheise.com/cube/fundamental_techniques.html

From there you should have enough of an understanding to start Googling things, playing with a cube, and Learning the Heise method: https://www.ryanheise.com/cube/heise_method.html