Winging It is Randy Fertel's third book, his second on improvisation. Creating something impromptu and without effort challenges our assumption that everything of value depends upon long study, tradition, and hard work. Improvisation comes to disrupt all that. The gesture all improvisations share-I will create this on the fly, or as Donald Trump has it, my gut knows more than many brains-defies rationality and elevates embodied emotions, instinct, and intuition. Claiming to be free of serious purpose, improvisation only pursues pleasure. Or, so it says. Through the lens of neuroscience, bioevolution, and well-known cultural texts, Winging It explores the links among the many disciplines improv informs-from Louis Armstrong's "West End Blues" to the hip-hop masterpiece Hamilton. It defines what connects Kerouac's On the Road, rock and roll, improv comedy, Fred Astaire's tap, detective fiction, the Marvel Cinematic Universe, psychedelics, hookup culture, AI, even politics-in particular, the reign of the Improviser-in-Chief.