What follows (part dialogue, part monologue, mostly rumination) is a series of letters I wrote to my two children, Chris(topher) Russell and Alex(andra) Sophia, over the course of 24 years. The first letter is one I wrote to my son on his day of birth: November 25, 1991; the last is one I wrote to my daughter leading up to her twenty-first birthday on June 8, 2015. Some letters are missing from this publication: they're either lost to other computers,...