Pan Kalendarz (Mr Calendar) is a book calendar designed by a group of friends from Warsaw, Poland: Ola Dębniak-Gocławska, Palina Rek-Gromulska (Cuda Wianki Studio) and Joanna Walczykowska, Mateusz Kowalski (Oku Miłe).
website: http://pankalendarz.com.pl/
