Was a notebook novel a theme?

A notebook novel was a type of novel that usually recorded the plot in the form of a notebook or used the notebook as the protagonist to unfold the story. The notebook novels often use a non-linear narrative method to interweave multiple story lines together. The reader can gradually unfold the story through the records and memories in the notebook. The representative works of the notebook novels were Hundred Years of Solitude and The Kite Runner.