http://math.uchicago.edu/~wald/bday_pa.pdf
(Brought to a birthday dinner in a German restaurant.)
Many of my friends from the National Puzzlers' League self-publish puzzles on irregular schedules. I thought it would be a good thing to have a "blog" (such as it is) that simply consolidates announcements of such puzzles. And here it is.
http://math.uchicago.edu/~wald/bday_pa.pdf
(Brought to a birthday dinner in a German restaurant.)
http://math.uchicago.edu/~wald/picnic15a.pdf
(Brought to a puzzle picnic.)
http://math.uchicago.edu/~wald/dchunt15.pdf
(Brought to the 2015 Washington Post Hunt.)