A BOY CALLED CHRISTMAS—SOON TO BE A MAJOR MOTION PICTURELet the battle for Christmas begin . . .It isn’t always easy, growing up as a human in Elfhelm, even if your adoptive parents are the newly married Father Christmas and Mary Christmas.For one thing, elf school can be annoying when you have to sing Christmas songs every day—even in July—and when you fail all your toy-making tests. Also, it can get very, very cold.  When a very jealous Easter Bunny and his R