Any good tutorials out there for begginers?

I just bought AoM on Steam, but I really don't know how to approach the game. I am new to real time strategy games as a whole, so I have absolutely zero knowledge of basic concepts and objectives (and in RTS games in general). Are there any good tutorials out there, that introduce the game's concepts to noobs? My main objective right now, would be to finish the campaign on moderate, so I am not looking to be a deathmatch god either way :p

EDIT: minor aclaration