I honestly believe that books can change the way humans see and live in the world. The list below is comprised of books I've personally read and highly recommend. This is an ongoing list and several books will be added each year. Note: *Many of these books are clickable to affiliate links, which will provide me with a small compensation from your purchase (at no extra cost to you).
My Top 10 Books (in no particular order)
Aristotle’s Nicomachean Ethics translated by Robert C. Bartlett and Susan D. Collins
Emerson: essays and lectures by Ralph Waldo Emerson
Seneca: Letters on Ethics translated by Margaret Graver and A.A. Long
Trees and Shrubs of Kentucky by Mary E. Wharton and Roger W. Barbour
Tree Crops: A Permanent Agriculture by J. Russell Smith
Desert Solitaire by Edward Abbey
Wild Fruits by Henry David Thoreau
Meditations by Marcus Aurelius (Gregory Hays translation)
Tao Te Ching by Lao Tzu (Stephen Mitchell translation)
A Sand County Almanac by Aldo Leopold
Philosophy
Seneca: Letters on Ethics translated by Margaret Graver and A.A. Long
Seneca: Hardship and Happiness translated by Elaine Fantham, Harry M. Hine, James Ker, and Gareth D. Williams
Meditations by Marcus Aurelius (Gregory Hays translation)
Epictetus: discourses, fragments, handbook (Robin Hard translation)
The Art of Living by Epictetus (Sharon Lebell interpretation)
Tao Te Ching by Lao Tzu (Stephen Mitchell translation)
Man’s Search for Meaning and Yes to Life: Despite of Everything by Viktor Frankl
Aristotle’s Nicomachean Ethics translated by Robert C. Bartlett and Susan D. Collins
Foraging / Ethnobotany
Sam Thayer’s Field Guide to Edible Wild Plants, The Forager’s Harvest, Nature’s Garden, and Incredible Wild Edibles by Samuel Thayer
Foraging Kentucky: An Introduction to the Edible Plants, Fungi and Tree Crops of the Southeast by George Barnett
Edible Wild Plants Vol.1 and Vol.2 by John Kallas
Edible Wild Plants of the Prairie by Kelly Kindscher
Ancestral Plants, Vol. 1 and Vol. 2, by Arthur Haines
Native American Ethnobotany by Daniel E. Moerman
Tending the Wild by M. Kat Anderson
Medicine of the Cherokee by J. T. Garrett and Michael Garrett
The Serviceberry, Braiding Sweetgrass, and Gathering Moss by Robin Wall Kimmerer
Iwígara: American Indian Ethnobotanical Traditions and Science by Enrique Salmon
Regional Plants (Eastern North America)
Trees and Shrubs of Kentucky and Bluegrass Land and Life by Mary E. Wharton and Roger W. Barbour
Deciduous Forests of Eastern North America by Emma Lucy Braun
Native Trees of the Southeast: An Identification Guide by L. Katherine Kirkman, Claud L. Brown, and Donald J. Leopold
Vascular Plants of Kentucky by Edward T. Browne Jr. and Raymond Athey
Wildflowers and Ferns of Kentucky by Thomas G. Barnes and S. Wilson Francis
Wildflowers and Ferns of Red River Gorge and the Greater Red River Basin by Dan and Judy Dourson
Identifying Trees of the East by Michael D. Williams
Wildflowers of Tennessee, the Ohio Valley and the Southern Appalachians by Dennis Horn, Tavia Cathcart, Thomas E. Hemmerly, and David Duhl
Wildflowers & Plant Communities of the Southern Appalachian Mountains & Piedmont by Timothy P. Spira
Common Mosses of the Northeast and Appalachians by Karl B McKnight, Joseph R. Rohrer, Kirsten McKnight Ward, and Warren J. Perdrizet
The Sibley Guide to Trees by David Allen Sibley
Forest Plants of the Southeast and Their Wildlife Uses by James H. Miller and Karl V. Miller
Agroforestry / Permaculture
Tree Crops: A Permanent Agriculture by J. Russell Smith
Trees of Power by Akiva Silver
The Mayan Forest Garden by Anabel Ford and Ronald Nigh
Farming the Woods by Ken Mudge and Steve Gabriel
The Sugarmaker's Companion by Michael Farrell
The Resilient Farm and Homestead by Ben Falk
Coppice Agroforestry: Tending Trees for Product, Profit, and Woodland Ecology by Mark Krawczyk
Edible Forest Gardens Vol 1. and Vol.2 by Dave Jacke and Eric Toensmeier
Living the Good Life, The Maple Sugar Book by Helen and Scott Nearing
Indigenous Landscapes: Native Plant Agriculture, vol. 1, by Solomon Gamboa and Austin Miller
The Regenerative Landscaper by Erik Ohlsen
Regional Mushrooms (Southeast)
Appalachian Mushrooms by Walter E. Sturgeon
Mushrooms of the Southeast by Todd F. Elliott and Steven L. Stephenson
100 Edible Mushrooms and Morels by Michael Kuo
A Field Guide To Mushrooms of the Carolinas by Alan E. Bessette, Arleen R. Bessette, & Michael W. Hopping
Nature Guides (non-plant)
The Sibley Field Guide to Birds of Eastern North America by David Allen Sibley
Salamanders of the Southeast by Joe Mitchell and Whit Gibbons
The American Darters by Robert A. Kuehne and Roger Barbour
Horneyheads, Madtoms, and Darters: Narratives on Central Appalachian Fishes by Stuart A. Welsh
Nature Inspired
Self-Reliance, Nature, and Emerson: essays and lectures by Ralph Waldo Emerson
Journals (I recommend the hardcover editions published by Princeton University Press), Walden, Wild Fruits, Faith in a Seed by Henry David Thoreau
A Sand County Almanac and Game Managment by Aldo Leopold
Down the River and Desert Solitaire by Edward Abbey
The Art of Loading Brush, The Unsettling of America, The Gift of Good Land, What I Stand On (box set of essays), This Day (sabbath poems), What Are People For?, and The Unforeseen Wilderness by Wendell Berry
The Practice of The Wild, Mountains and Rivers Without End, The Backcountry, Riprap and Cold Mountain Poems, Distant Neighbors: The Selected Letters of Wendell Berry & Gary Snyder, Myths & Texts, and This Present Moment by Gary Snyder
Alone Against the North: An Expedition into the Unknown, A History of Canada in Ten Maps, and Beyond The Trees by Adam Shoalts
Kentucky History
The Hunters of Kentucky by Ted Franklin Belue
The Kentucky by Thomas D. Clark
Water in Kentucky: Natural History, Communities, and Conservation edited by Brian D. Lee, Daniel I. Carey and Alice L. Jones
Elkhorn: Evolution of a Kentucky Landscape by Richard Taylor
Kentucky Illustrated: The First Hundred Years by Martin F. Schmidt
Appalachian & eastern North American History
The Wilderness Road by Robert Lee Kincaid
The Frontiersmen: A Narrative by Allan W. Eckert
Ginseng Diggers: A history of Root and Herb gathering in Appalachia by Luke Manget
Endangered and Disappearing Birds of Appalachia and the Southeast by Matt Williams
Natural & Environmental History / Ecology & Science
Coyote America, American Serengeti, and Wild New World by Dan Flores
Eager and Crossings by Ben Goldfarb
American Buffalo by Steven Rinella
The Origin of Species by Charles Darwin
The Indigenous Paleolithic of the Western Hemisphere by Paulette F. C. Steeves
1491: New Revelations of the Americas Before Columbus by Charles C. Mann
Reading the Forested Landscape, Forest Forensics, and The Myth of Progress by Tom Wessels
Fundamentals of Tree-Ring Research by James Speer
Nature's Best Hope, The Nature of Oaks, and Bringing Nature Home by Douglas Tallamy
Sapiens: A Brief History of Humankind by Yuval Noah Harari
History
The Path Between the Seas, The Pioneers, Brave Companions, and 1776 by David McCullough
Endurance: Shackleton’s Incredible Voyage by Alfred Lansing
Biography
Emerson: The Mind on fire and Henry Thoreau: A Life of the mind by Robert D. Richardson Jr.
Henry David Thoreau: A Life by Laura Dassow Walls
Aldo Leopold: his life and work by Curt Meine
Boone: A Biography by Robert Morgan
Mornings on Horseback: The Story of an Extraordinary Family, a Vanished Way of Life and the Unique Child Who Became Theodore Roosevelt by David McCullough
Leonardo Da Vinci by Walter Isaacson