Narfna told me to read this, so I did, and you should too.  I blame the toddler for the fact that it took me three days to finish, because what I wanted to do was sit down and read straight through. I hesitate to give away too much of the plot because it was a joy to go in knowing nothing.  So how about just a tiny summary?  Ada adores her father David, a single father who directs a computer science lab in 1980s-era Boston.  […]