Wayward Nerd Towel Day Greeting Card, set of 5.

Towel Day, on May 25 every year, honors the life and works of Douglas Adams. These greeting cards celebrate this nerd traveler holiday.

Happy Towel Day card - 4"x 6" vertical folded with envelope.

Interior message:

"grab a towel you hoopy frood, it's towel day. May 25"

"A towel ... is about the most massively useful thing an interstellar hitch hiker can have. -The Hitchhiker's Guide to the Galaxy."