For those studying design. This book is currently out of print. It's also recommended for those learning about UX/UI and usability on the web. Even used copies are expensive, around 60,000 yen. It explores the principles of design in life, introducing the appeal of forms, mysterious patterns, and a vast collection of examples through photographs. It deciphers the principles of design in life while introducing numerous examples through photographs, such as soap bubbles, sand patterns, brain wrinkles, and giraffe stripes. It explores the essence of the appeal of forms and mysterious patterns found in nature.