We keep all our notebooks, even the ones from 10 years ago, as every little detail, every little note are the zairyo ('ingredients') of our success -- even the ideas that failed. Our gibberish handwritings may be trash to others, but to us, its treasure. 

We made these notebooks with this thought in mind and we hope that it will be the holder of your ideas, thoughts, hopes, fears, losses and winnings. And some day, when you look back on everything you've scribbled, you'll find that the problems you had to tackle seem insignificant; you have better ideas now than before; you have truly grown out of the notebook you've filled.

These were produced with utmost sincerity and good thoughts for our internal team and friends last year. We were then told that they were 'superb in quality' and that we should sell them. So here you have it~