MarkTheHerald.com ✦ The Herald Dispatch ✦ Let me make the case that you should read a Christmas book this summer. I know how that sounds. I am aware that the Christmas music doesn't start until at least November 1st and that the retail decorations, while arriving earlier every year, have not quite crept all the way back to July. I am not suggesting you put up a tree or start wrapping gifts or do anything that would alarm your neighbors. I am suggesting that July, specific