It is neither a novel nor a collection of short stories, but something in between: a series of chapters featuring interlocking characters at different points in their lives, whose individual voices combine to a create a symphonic work that uses its interconnected form to explore ideas about human interconnectedness. This is a difficult book to summarise, but a delight to read, gradually distilling a medley out of its polyphonic, sometimes deliberately cacophonous voices.

Readers will be pleased to discover that the star-crossed marriage of lucid prose and expertly deployed postmodern switcheroos that helped shoot Egan to the top of the genre-bending new school is alive in well in this graceful yet wild novel. We begin in contemporaryish New York with kleptomaniac Sasha and her boss, rising music producer Bennie Salazar, before flashing back, with Bennie, to the glory days of Bay Area punk rock, and eventually forward, with Sasha, to a settled life. By then, Egan has accrued tertiary characters, like Scotty Hausmann, Bennie's one-time bandmate who all but dropped out of society, and Alex, who goes on a date with Sasha and later witnesses the future of the music industry. Egan's overarching concerns are about how rebellion ages, influence corrupts, habits turn to addictions, and lifelong friendships fluctuate and turn. Or as one character asks, How did I go from being a rock star to being a fat fuck no one cares about? Egan answers the question elegantly, though not straight on, as this powerful novel chronicles how and why we change, even as the song stays the same.

Jennifer Egan’s new novel is a moving humanistic saga, an enormous nineteenth-century-style epic brilliantly disguised as ironic postmodern pastiche. It has thirteen chapters, each an accomplished short story in its own right; characters who meander in and out of these chapters, brushing up against one another’s lives in unexpected ways; a time frame that runs from 1979 to the near, but still sci-fi, future; jolting shifts in time and points of view—first person, second person, third person, Powerpoint person; and a social background of careless and brutal sex, careless and brutal drugs, and carefully brutal punk rock. All of this might be expected to depict the broken, alienated angst of modern life as viewed through the postmodern lens of broken, alienated irony. Instead, Egan gives us a great, gasping, sighing, breathing whole.

Although shredded with loss, “A Visit From the Goon Squad” is often darkly, rippingly funny. Egan possesses a satirist’s eye and a romance novelist’s heart.

If Jennifer Egan is our reward for living through the self-conscious gimmicks and ironic claptrap of postmodernism, then it was all worthwhile. Her new novel, "A Visit From the Goon Squad," is a medley of voices -- in first, second and third person -- scrambled through time and across the globe with a 70-page PowerPoint presentation reproduced toward the end.

I know that sounds like the headache-inducing, aren't-I-brilliant tedium that sends readers running to nonfiction, but Egan uses all these stylistic and formal shenanigans to produce a deeply humane story about growing up and growing old in a culture corroded by technology and marketing. And what's best, every movement of this symphony of boomer life plays out through the modern music scene, a white-knuckle trajectory of cool, from punk to junk to whatever might lie beyond. My only complaint is that "A Visit From the Goon Squad" doesn't come with a CD.