For someone who is JUST STARTING OUT in chess, I maintain that the Colle is probably the easiest and safest of all openngs to try and learn ...
For a fairly in-depth article ... that's also 100% free ... please go to -
http://www.worldchessacademy.com/learningchess02.htm. (Many links - from there.)
King's Gambit, huh? And you would actually teach this to a bare-bones beginner ... someone who had just learned the moves maybe a few days before?