Back when I was little, there were 5th anniversary events

As I was thinking of Finnegan's Wake, whose genre is called "Sui Generis". This is purposed to be a very interesting and creative genre of writing that has appeared in the past century. Or, in simpler term, a style of its own: creative. If I come across a copy of this book, I'll read it. And maybe I'll go and try to get my own sui generis.

Don't forget to give 3 quarks to Mr. Mark.