書外書，曲藝術語，指評話、評書類曲種說表中在正書內容之外穿插進去的相對完整和獨立的小故事，一般用來烘托正書的人物內容或產生笑料，也可以用來增加審美節奏感，使聽眾感到張馳有致，或增強懸念效果。
簡介：Folkterm. That assessment, then Qu kinds of storytelling class, said the contents of the table, the book is interspersed into the outside of the relative integrity and independence of the short story. Generally used to contrast the characters are the contents of the book or produce a dash of humor can also be used to increase the aesthetic rhythm of flu, so that listeners feel ZhangChidelivered, or enhance the effect of suspense.
