I've been having a great birthday, largely due to all the greetings that have come in from family, readers and friends. I've been trying to respond to all, but it will take awhile and at the moment we're headed out to celebrate. Can't resist listing the books that arrived as presents: INFINITESIMAL, by Amir Alexander; WEBSTER'S DICTIONARY OF QUOTATIONS; THE ISLAND RACE, by Winston Churchill; ALTERNATE PRESIDENTS, edited by Mike Resnick; PERSONAL INTELLIGENCE, by John D. Mayer; and THE COPERNICUS COMPLEX, by Caleb Scharf. Should be enough to keep me going for awhile.