In Trees: An Exploration by Robert Moor

Tuesday, April 14, 2026
7-8pm (doors open at 6:45pm)
San Francisco County Fair Building — Auditorium

About the Program

Welcome award-winning author Robert Moor for the release of his latest book, In Trees: An Exploration, at the San Francisco Botanical Garden! In Trees—the perfect companion to Moor’s first book, On Trails—takes readers into their own backyard and across the globe to explore how we gain wisdom from and are evolutionarily intertwined with trees.

Join us for an author talk followed by audience Q+A and book signing. Books available for purchase with your RSVP, or available at the event.

About In Trees: An Exploration

With In Trees: An Exploration (published by Simon & Schuster on April 7, 2026 in time for Earth Day and Arbor Day), Moor brings readers on a wondrous journey through the wilds of nature and the gnarls of history, in search of how trees—from the mightiest sequoia to the tiniest bonsai—can teach us to grow wise. Moor writes about how trees transform us, “A tree is not only a living being. It is also a way of being…Arborescence consists of three simultaneous processes: branching, pruning, and gnarling. The result is something inventive, exacting, and long-lasting.”

About the Speakers

Robert Moor is the bestselling author of On Trails and In Trees. Translated into more than a dozen languages, On Trails garnered the National Outdoor Book Award, the Pacific Northwest Book Award, and the William Saroyan International Prize. His writing has appeared in The New Yorker, The Atlantic, Outside, Harper’s, New York magazine, Emergence, and n+1, among other publications. He lives in Halfmoon Bay, British Columbia. Click here to visit his website.

Marissa Ortega-Welch is the creator and host of KALW/NPR’s How Wild, a podcast about wilderness, how it’s changing, and what that says about us as humans. Her award-winning environmental reporting has been featured by such outlets as NPR’s All Things Considered, Science Friday, High Country News, and Bay Nature magazine. A former field biologist and environmental educator, Marissa brings a human-centered approach to stories of the natural world, highlighting voices from the frontlines of conservation. She is also an editor with KALW Public Media San Francisco.

—

Founded in 1967, Green Apple Books is a trio of fiercely independent bookstores offering an excellent selection of books in all subject areas. With expertly curated new and used books, records, author events, and more, Green Apple has something for everyone!