Technological gadgets come and go but paper is timeless. Kallima's most recent publication is here and answers very important paper questions. When was it invented? Who invented it? How is it made today? What is paperboard? How is paperboard changing? What is…the Kallima advantage? The answers to these questions and more are revealed in Kallima's Our Thoughts on Paper. This resourceful book explains the history of paper and the many applications for paperboard. Helpful paper calculation tools and conversion factors are included also. Our Thoughts on Paper was printed on our sturdy 12 pt. FSC certified, Kallima C2S. How sturdy you ask? Watch this video to find out! Contact your O-K Representative for a copy today!