All playboys from the 70's in mint condition are valued around $25.00 most sell for 24.95 there are no rare issues from the 70's. Valuable playboys are from the 50's (like the Marilyn monroe issue $6,500) or the 60's tend to go for $40 or $50 each.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.