Flann O'Brien's 'At Swim-Two-Birds' is a postmodern tour de force, renowned for its innovative narrative structure and a delightful blend of satire, fantasy, and Irish folklore. The novel features a student narrator who is writing a book about a novelist, who in turn writes about characters that rebel against their creator. This intricate meta-narrative allows O'Brien to satirize conventional storytelling, explore the nature of authorship, and infuse the text with witty digressions and richly imagined mythological figures. It stands as a pivotal work in 20th-century literature, influencing generations of writers with its audacious inventiveness and unique comedic voice.