The traditional character associated with the month of January was Janus, the Roman god portrayed as two heads looking in opposite directions, one forward and one back.  Often the New Year is a time of appraisal of what has worked—or not worked—in the year gone by as we set new goals for the year ahead. The theme of past events reinterpreted in the light of the present is a trope popularized by novelist Kate Morton and other best-selling authors.  So for this month that traditionally draws upon the past to make reflections about present and future, we’ll look at several works of historical fiction that pinball back and forth between the current day and significant events in the past. Perhaps because the dangers and privations of war create drama and reorder all of life’s priorities, the “then” portion of all these stories takes place in either the World War I or II era. We begin with LAST CHRISTMAS IN PARIS by Hazel Gaynor and Heather Webb.  The novel is written as a series of letters, beginning in October 1914 and continuing throughout the war, between Evie Elliott, her brother Will, and his best friend Thomas Harding, interspersed with chapters featuring…