"Letters from Father Christmas" by J. R. R. Tolkien

Awwwwwwww.  This is a beautiful labor of love from a father for his children.  In fact, what I loved most about this book was imagining Tolkien working on these amazing letters and pictures in secret, laboring on these for hours, sometimes probably days.  

The letters start out fairly simply, just a nice message to Tolkien's three-year-old son, John, who had asked Tolkien about Father Christmas and where he lived.  The letter came with a full-color drawing of Father Christm...