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Metamorphosis by Oren Harman

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Metamorphosis

Publisher
Hachette Audio
Publish Date
14 October 2025
Run Time
10 hours 58 minutes
Format
Audiobook
$13.95

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What to expect

A search for the meaning of one of nature's greatest riddles: why do so many creatures transform?

“How many creatures walking on this earth / Have their first being in another form?” the Roman poet Ovid asked two thousand years ago. He could not have known the full extent of the truth: today, biologists estimate a stunning three-quarters of all animal species on Earth undergo some form of metamorphosis. 
 
But why do tadpoles transform into frogs, caterpillars into butterflies, elvers into eels, immortal jellyfish from sea sprigs to medusae and back again, growing younger and younger in frigid ocean depths? Why must creatures go through massive destruction and remodeling to become who they are? Tracing a path from Aristotle to Darwin to cutting-edge science today, Harman explores that central mystery.    
 
Metamorphosis, however, isn’t just a biological puzzle: it takes us to the very heart of questions of being and identity, whatever kind of change we humans may undergo. Metamorphosis is a new classic of natural history: a book that, by unveiling a mystery of nature, causes us to relearn ourselves.   
 

Critics Review

  • "An absorbing and beautifully written exploration of biological transformation and generation, winding through the startling history of this field, accompanied by an array of fascinating characters, and with a moving personal dimension."—Peter Godfrey-Smith, author of Other Minds
  • "Oren Harman’s Metamorphosis is a soulful, genre-defying inquiry into the nature of transformation. Harman interweaves a history of scientific discovery with philosophy and memoir, introducing readers to astonishing characters and discoveries that bring us from the depths of the ocean to the furthest reaches of outer space. Metamorphosis asks difficult questions with great tenderness and deep humanity. It is a book full of wonder and revelation."—Lauren Redniss, author of Radioactive
  • "A masterful tale of the long quest to understand one of the most wondrous and enigmatic phenomena in the animal world. Fueled by Oren Harman’s boundless curiosity and rich storytelling, Metamorphosis roams the globe to meet fascinating creatures and equally colorful naturalists determined to penetrate their secrets. A thoroughly enjoyable and illuminating journey."—Sean B. Carroll, author of The Serengeti Rules
  • "Inspired by history, language, and biology, Oren Harman explores a wonderland of animal lifecycles to tell a truly fascinating tale of transformations in body and identity. His story culminates in the growth of a human child and asks how is it possible to remain ourselves while changing all the time? A book to treasure."—Janet Browne, Harvard University, author of Charles Darwin: A Biography
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  • "Stranger than the strangest imaginings of ancient mythology or science fiction are the metamorphoses undergone by the most unprepossessing of organisms: the immortal medusa, the starfish that is simultaneously child and adult, the axolotl in which the parent is the child to its offspring. Oren Harman weaves together science, history, philosophy, and the musings of a parent-to-be in this beautiful book about the twists and turns in the plot of life."—Lorraine Daston, author of Objectivity

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Details

Author
Oren Harman
Narrator
Jefferson Mays
Duration
10 hours 58 minutes
Release Date
14 October 2025
ISBN
9781668653067
Format
Audiobook
Publisher
Hachette Audio
Genre
Ecological science, the Biosphere, History of science

Synopsis

A search for the meaning of one of nature's greatest riddles: why do so many creatures transform? “How many creatures walking on this earth / Have their first being in another form?” the Roman poet Ovid asked two thousand years ago. He could not have known the full extent of the truth: today, biologists estimate a stunning three-quarters of all animal species on Earth undergo some form of metamorphosis.    But why do tadpoles transform into frogs, caterpillars into butterflies, elvers into eels, immortal jellyfish from sea sprigs to medusae and back again, growing younger and younger in frigid ocean depths? Why must creatures go through massive destruction and remodeling to become who they are? Tracing a path from Aristotle to Darwin to cutting-edge science today, Harman explores that central mystery.       Metamorphosis, however, isn’t just a biological puzzle: it takes us to the very heart of questions of being and identity, whatever kind of change we humans may undergo. Metamorphosis is a new classic of natural history: a book that, by unveiling a mystery of nature, causes us to relearn ourselves.     

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