The word "crossover" originally means "bridge and cross"; adopted in design field, it often refers to the combination of two elements disciplines. Patterns came first in interior crossover design. About thousand years ago, people carved certain patterns onto the caves they inhibited. This is the earliest exploration of interior crossover design. Now, after a long period of time patterns are used in interior design in multiple ways. Painting is a graphic element more and more used in interior crossover design. Compared with pattern, painting is freer, and more personalized, and it is a trigger of more creativity. Painting could be personally conducted on walls, floors, and ceilings. Paintings offer interior space different styles, bold and delicate. While more and more painters are turning to interior painting, painting is gradually becoming the main graphic element in interior design, fervently pursued by designers and clients. Language is usually a way of recording and expressing. Further, in interior design, words are mainly used as indicators. In interior crossover design, however, calligraphy could be adopted to give unexpected effects. Seeing words not presented as a slogan or a pure calligraphy work, but simply and directly appearing on interior walls, you would feel totally different with the surprising visual effect. Photography is another way of interior crossover design. We often decorate walls with photos to remind us of some rosy memories. Photos in interior crossover design are used as sheer decoration: for example a huge photo used as interior decoration, brings not only a strong visual impact but also the shock caused by "crossover". This book "From Graphic to Space: Interior Crossover Design" mainly cover these four aspects: patterns, painting, calligraphy and photography. Presented in detail, the charm of interior crossover design is revealed. From this book readers are to have a fresh and new understanding of interior crossover design, and would be able to bring it into interior to liven interior atmosphere. colour throughout