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Science and Mathematics
Duration: 101 ms, Number of Items: 149
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What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions
by Randall Munroe
New Hardcover
$30.00
What If? Serious Scientific Answers to Absurd Hypothetical Questions
by Randall Munroe
Used Hardcover
$30.00
$21.00
Whole Medicine: A Guide to Ethics and Harm-Reduction for Psychedelic Therapy and Plant Medicine Communities
by Rebecca Martinez
New Trade Paperback
$19.95
Magic of Mushrooms Fungi in Folklore Science & the Occult
by Sandra Lawrence, Royal Botanic Gardens Kew
New Hardcover
$16.95
How To: Absurd Scientific Advice for Common Real-World Problems
by Randall Munroe
Used Hardcover
$29.00
$19.95
Thing Explainer: Complicated Stuff in Simple Words
by Randall Munroe
Used Hardcover
$26.99
$18.95
Food of the Gods: The Search for the Original Tree of Knowledge a Radical History of Plants, Drugs, and Human Evolution
by Terence McKenna
Used Trade Paperback
$20.00
$13.95
Wild in the City A Guide to Portlands Natural Areas
by Michael Houck
Used Trade Paperback
$18.95
$9.95
Consciousness Medicine Indigenous Wisdom Entheogens & Expanded States of Consciousness for Healing & Growth
by Francoise Bourzat, Kristina Hunter, Ralph Metzner
New Trade Paperback
$17.95
How to Invent Everything A Survival Guide for the Stranded Time Traveler
by Ryan North
New Trade Paperback
$18.00
Mushroom Magick Ritual Celebration & Lore
by Shawn Engel
Used Hardcover
$13.99
$9.95
Psychedelic Explorers Guide Safe Therapeutic & Sacred Journeys
by James Fadiman
Used Trade Paperback
$18.95
$12.95
Illustrated Herbiary Guidance & Rituals from 36 Bewitching Botanicals
by Maia Toll, Kate OHara
New Hardcover
$19.95
Psychedelic Mysteries of the Feminine Creativity Ecstasy & Healing
by Maria Papaspyrou, Chiara Baldini, David Luke
Used Trade Paperback
$19.99
$13.95
Divination
by Jewels Rocka
New Trade Paperback
$8.95
Holographic Universe
by Michael Talbot
Used Trade Paperback
$14.00
$10.95
Sand County Almanac & Sketches Here & There
by Aldo Leopold
Used Trade Paperback
$12.95
$8.95
The Nature of Portland: A Fun, Friendly Guide to Portland-Area Plants and Animals
by LeeAnn Kriegh
New Trade Paperback
$20.00
Singularity is Near When Humans Transcend Biology
by Ray Kurzweil
Used Trade Paperback
$26.00
$15.95
Animals of a Bygone Era An Illustrated Compendium
by Maja Safstrom
Used Hardcover
$14.99
$10.95
Geology Underfoot In Northern Arizona
by Lon Abbott
Used Trade Paperback
$18.00
$11.95
Oracle of Night The History & Science of Dreams
by Sidarta Ribeiro, Daniel Hahn
Used Hardcover
$32.50
$14.98
Sacred Mushroom of Visions Teonanacatl A Sourcebook on the Psilocybin Mushroom
by Ralph Metzner
Used Trade Paperback
$19.99
$11.95
Listening to Ayahuasca: New Hope for Depression, Addiction, Ptsd, and Anxiety
by Rachel Harris
New Trade Paperback
$21.95
$20.95
Swimming in the Sacred: Wisdom from the Psychedelic Underground
by Rachel Harris
New Trade Paperback
$18.95
Dreaming Wide Awake: Lucid Dreaming Shamanic Healing & Psychedelics
by David Jay Brown
New Trade Paperback
$24.99
DMT Dialogues
by David Luke, Rory Spowers, Anton Bilton
Used Trade Paperback
$18.99
$10.98
Song of Increase Listening to the Wisdom of Honeybees for Kinder Beekeeping & a Better World
by Jacqueline Freeman, Susan Chernak McElroy
New Trade Paperback
$18.99
Under an Ionized Sky From Chemtrails to Space Fence Lockdown
by Elana Freeland
Used Trade Paperback
$19.95
$13.95
Charms Amulets Talismans & Spells
by Marian Green
New Hardcover
$15.00
Forest Bathing Retreat Find Wholeness in the Company of Trees
by Hannah Fries, Robin Wall Kimmerer
Used Trade Paperback
$14.95
$9.95
Agriculture Course The Birth of the Biodynamic Method
by Rudolf Steiner
Used Trade Paperback
$26.00
$13.95
Geomancy: Earth Grids, Ley Lines, Feng Shui, Divination, Dowsing, & Dragons
by Hugh Newman and Jewels Rocka and Richard Creightmore
New Hardcover
$24.95
Field Guide to Oregon Rivers
by Tim Palmer
New Trade Paperback
$29.95
Holographic Universe
by Michael Talbot
Used Trade Paperback
$17.99
$11.95
Journeying Through the Invisible The Craft of Healing with & Beyond Sacred Plants as Told by a Peruvian Medicine Man
by Hachumak , David L Carroll
Used Hardcover
$27.99
$12.98
Black Earth Wisdom Soulful Conversations with Black Environmentalists
by Leah Penniman
New Hardcover
$26.99
& Then Youre Dead What Really Happens If You Get Swallowed by a Whale Are Shot from a Cannon or Go Barreling over Niagara
by Cody Cassidy
Used Trade Paperback
$18.00
$10.95
Think to New Worlds: The Cultural History of Charles Fort and His Followers
by Joshua Blu Buhs
New Hardcover
$35.00
Between the Tides in Washington & Oregon Exploring Beaches & Tidepools
by Ryan P Kelly, Terrie Klinger, John J Meyer
New Trade Paperback
$24.95
You Are the Universe
by Deepak Chopra, Menas C Kafatos
New Trade Paperback
$17.99
Parks & Plates The Geology of Our National Parks Monuments & Seashores
by Robert J Lillie
Used Trade Paperback
$145.75
$50.00
Rose of Paracelsus On Secrets & Sacraments
by William Leonard Pickard
Used Trade Paperback
$30.00
$24.00
Sacred Geometry
by Miranda Lundy
Used Hardcover
$14.00
$9.95
Real Alchemy A Primer of Practical Alchemy
by Robert All Bartlett
Used Trade Paperback
$18.95
$14.95
Plants of the Gods Their Sacred Healing & Hallucinogenic Powers
by Richard Ev Schultes
Used Trade Paperback
$29.95
$17.95
Last Hours of Ancient Sunlight The Fate of the World & What We Can Do Before Its Too Late
by Thom Hartmann
Used Trade Paperback
$17.99
$9.95
Biology of Belief Unleashing the Power of Consciousness Matter & Miracles
by Bruce Lipton
Used Hardcover
$24.95
$12.95
Hunt for the Skinwalker Science Confronts the Unexplained at a Remote Ranch in Utah
by Colm A Kelleher
Used Trade Paperback
$17.99
$12.95
Reality Revolution The Mind Blowing Movement to Hack Your Reality
by Brian Scott
Used Trade Paperback
$16.99
$9.95
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