Rota's reflections, anecdotes, and musings are always a good read. I enjoyed his book of essays (with Jacob Schwartz and Mark Kac) "Discrete Thoughts" http://

Rota's reflections, anecdotes, and musings are always a good read. I enjoyed his book of essays (with Jacob Schwartz and Mark Kac) "Discrete Thoughts" http://books.google.com/books?id=5waLQ06J9VwC&pg=PA1&lpg=PA1&dq=rota+discrete+thoughts&source=bl&ots=4ciczbh_cT&sig=Q_xO4eleD1-SGHTRLVXNBUICAgo&hl=en&ei=HqG8TpP-FITbiAKqgIWBAw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBoQ6AEwAA#v=onepage&q&f=false http://books.google.com/books?id=5waLQ06J9VwC&pg=PA1&#38... and I see he has another called "Indiscrete Thoughts".