Portuguese designer Giestas is the author of a book in 3 tomes, called Emotions, which marks the feelings that he felt each hour during 300 days. This trilogy represents his emotions under the shape of colors and an ordered rainbow like data-vizualisation. Each page shows a spectrum of dozens feelings on a 24 hours period, from the less intense to the most saturated, with a black octogone in the center where there is sleep.
