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Table of Contents
About The Book
From the acclaimed author of the New York Times bestseller On Trails comes a wondrous new journey through the wilds of nature and the gnarls of history, exploring how trees—from the mightiest sequoia to the tiniest bonsai—can teach us to grow wise.
One day, on a whim, Robert Moor set out to climb a tree near his home—unwittingly embarking on what would become a decade-long adventure of intellectual and spiritual transformation.
Pursuing the hidden wisdom of trees, he digs through forgotten archives, scales to the top of a giant sequoia with Sir David Attenborough, trudges through swamps in Papua to reach a treehouse-dwelling tribe of hunter-gatherers, and travels to a remote research camp in Tanzania, where he spends one very uncomfortable night sleeping in a chimpanzee nest. Galvanized by a radical new outlook on both our gnarled past and our ever-branching future, he ultimately falls in with a ragtag clan of climate activists risking everything to halt construction of an oil pipeline and save an old-growth forest.
Along the way, Moor learns the art of “treethinking,” which, he discovers, has the power to break open some of humanity’s oldest questions: What is the secret to truly growing old? How do we set down roots in an increasingly chaotic world? Can we ever learn to pursue our future in the farsighted, deeply entangled manner of an ancient forest?
A witty, relentlessly curious excursion through philosophy, history, and science, what begins as an ode to the miracle of trees blossoms into a joyous, daring, and fiercely hopeful effort to “arborize humanity.”
Appearances
In Person
FESTIVAL - Sunshine Coast Festival of the Written Arts
Sunshine Coast Festival of the Written Arts
In Person
FESTIVAL - Kingston Writers Festival, In Conversation with Andrew Westoll. Moderated by Gregory McCormick.
Kingston Writers Festival
Product Details
- Publisher: Simon & Schuster (April 7, 2026)
- Length: 384 pages
- ISBN13: 9781668222614
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Raves and Reviews
“With adventurous journeys, lively storytelling, and provocative reflection, Moor invites us along to know charismatic forests through the eyes of other worldviews, encouraging our own Green Revelation.’”
— Robin Wall Kimmerer, New York Times bestselling author of The Serviceberry
“In Moor we have found an heir to Matthiessen, enriched by two generations of additional science, philosophy, and poetry. In Trees is dazzlingly erudite, playful, profound, adventurous and, above all, eloquently, fiercely alive. Full of brilliant, mind-bending insights and wonderful surprises, this is the most life-affirming book I’ve read in a long time.”
— John Vaillant, bestselling author of Fire Weather
“Robert Moor’s brilliant In Trees is—like its subject—powerfully, fascinatingly arborescent. Moving from sky to earth, Moor unfurls in fine-grained prose the ancient, urgent story of how trees transform us. Reading it, I felt my senses of time, life, and process shift in ways I hadn’t experienced before.’”
— Robert MacFarlane, New York Times bestselling author of Is a River Alive?
“Daring, inspired, and erudite, this is much more than a book about trees. Like the web of roots and fungi beneath an ancient forest, In Trees is wide-ranging, probing, and deftly interwoven, continually astonishing the reader with profound and unexpected connections. Moor’s prose is, in turns, as lithe as a willow branch, as incisive as an axe, and as captivating as a cherry tree in riotous bloom. To read this book is to feel oneself anchored more firmly to the earth and, simultaneously, to become more open to life’s many branching, wild possibilities.”
— Ferris Jabr, New York Times bestselling author of Becoming Earth
“A new book in that rare category of ‘classic upon publication.’”
— Bill McKibbon, New York Times bestselling author of Here Comes the Sun
“A profound and loving, shrewd and funny pilgrimage. Moor finds so much beauty in this bold, wild search to understand how he should live.’”
— Larissa MacFarquhar, New York Times bestselling author of Strangers Drowning
“Robert Moor is an erudite and delightfully meandering writer (see his On Trails for what I mean) who invariably chooses the more interesting of two possible narrative paths… From giant sequoias to the tree-houses of Papuan tribesmen to an actual chimpanzee nest, Moor makes his way to the tops of trees everywhere, the better to find some perspective.”
—Jonny Diamond, Literary Hub
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Book Cover Image (jpg): In Trees
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Author Photo (jpg): Robert Moor Photograph by Remi Morawski(0.1 MB)
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