Melody Carlson. Grand Rapids, Mich.: Revell, 2014. 169 pp. (Hardback). Another year, another Melody Carlson Christmas book. Yay! Carlson has developed a knack for crafting great little Christmas stories of the kind I like: low-level drama, Christian themes and happy endings — with just enough complications to keep the reader entertained.  This book features a male main character. I’m not…