"Finnegans Wake" is a novel written by James Joyce. It was published in 1939 and is widely considered one of the most challenging and complex works of literature in the English language.

The book is known for its experimental style, dense language, and complex narrative structure. It is written in a stream-of-consciousness manner and incorporates multiple languages, puns, wordplay, and neologisms. The narrative follows various characters and their dreamlike experiences, blurring the lines between reality and imagination.

The plot of "Finnegans Wake" is difficult to summarize due to its abstract and nonlinear nature. The story revolves around the character of Humphrey Chimpden Earwicker, also known as HCE, and his family. The book explores themes of history, mythology, language, and identity.

Joyce intended "Finnegans Wake" to be a culmination of his literary experiments and a representation of the universal human experience. The language used in the novel is highly complex and requires careful study and interpretation. It is often considered more of a work to be deciphered and analyzed than to be read for straightforward narrative enjoyment.

Due to its complexity, "Finnegans Wake" has divided critics and readers. Some consider it a masterpiece of modernist literature, praising its linguistic innovations and literary depth. Others find it incomprehensible and impenetrable. Regardless, it remains an important and influential work in the literary canon and continues to fascinate scholars and readers interested in experimental literature.