Interstellar hitchhikers know May 25 is the day for these terrycloth items, a tribute to Douglas Adams
[DOC] [TLE] Towel Day - Celebrating the life and work of Douglas Adams [PAR] Towel Day is an annual celebration on the 25th of May, as a tribute to the late 
author ... Dirk Gently's Holistic Detective Agency, and is set in the unexpected 
world of the ...