Seasonal Dream Vision (東方紫香花, romanized Touhou Shikouhana, meaning Violet Flowers and Incense of the East) is a semi-official Touhou fanbook.

It is quite similar to Bohemian Archive in Japanese Red, as it features comics, a music CD, and a story by ZUN, all about Gensokyo.
It ranges from drama to comedy, all focused on the strange world Touhou takes place in.

The book is written by Various people.

Read chapter 13 here: http://en.touhouwiki.net/wiki/Seasonal_Dream_Vision/A_Beautiful_Flower_Blooming_Violet_Every_Sixty_Years