Just in time for Christmas, I received two days ago the first hard copies of my book! It is a mix of feelings of relief and pride after 3 years of work. As most book writers will probably acknowledge, it took much longer than I expected when I started, but overall it was an enriching experience for several reasons: (1) I learned a lot of new math to write it; (2) trying to squeeze the simplest arguments for the analysis of algorithms led to many new research questions; (3) I was able to get t...