Cart
|
Hello, |
Login
MENU
Browse
New Arrivals
Bestsellers
Featured Preorders
Award Winners
Audio Books
See All Subjects
Used
Staff Picks
Staff Picks
Picks of the Month
Bookseller Displays
50 Books for 50 Years
25 Best 21st Century Sci-Fi & Fantasy
25 PNW Books to Read Before You Die
25 Books From the 21st Century
25 Memoirs to Read Before You Die
25 Global Books to Read Before You Die
25 Women to Read Before You Die
25 Books to Read Before You Die
Gifts
Gift Cards & eGift Cards
Powell's Souvenirs
Journals and Notebooks
socks
Games
Sell Books
Blog
Events
Find A Store
Filter Items
You've Selected
Remove
Category
Remove
Nonfiction » Science And Technology
Remove
Nonfiction » Metaphysics » Anomalous Events
Remove
Price
Remove
$40 and under
Remove
Store
Remove
Burnside
Clear All
Category
Nonfiction
(5320)
Science And Technology
(93)
Botany
(22)
Ethnobotany
(18)
Mushrooms And Fungi
(3)
Zoology
(11)
Environmental Studies And Sustainability
(9)
Animal Rights
(3)
Astronomy
(7)
Biology
(6)
Evolution
(2)
Neurobiology
(2)
Physics
(6)
Popular
(4)
History Of Science And Technology
(5)
Mathematics
(3)
Popular
(2)
Geometry
(1)
Agriculture
(2)
Bees And Beekeeping
(1)
Birds and Birding
(1)
Chemistry
(1)
Construction And Engineering
(1)
Energy
(1)
Alternative
(1)
Alternative Energy
(1)
Geology
(1)
Product Type
Used
(159)
New
(94)
Format
Trade Paperback
(136)
Hardcover
(48)
Mass Market
(8)
Flexible
(1)
Pamphlet
(1)
Price
$10 and under
(16)
$20 and under
(128)
$40 and under
(195)
Store
Burnside
(195)
Last Received Date
Last 30 days
(42)
Last 7 days
(15)
PreOrder
Next 30 days
(1)
Metaphysics
Duration: 89 ms, Number of Items: 195
Sort By
Relevance
Recently Arrived
Title – A to Z
Title – Z to A
Grid
List
50 Items Per Page
25 Items Per Page
100 Items Per Page
200 Items Per Page
Previous
1
2
3
4
Next
Page 3 of 4
Compare
up to 5 items
Radical Nature Rediscovering the Soul of Matter
by Christia De Quincey
Used Trade Paperback
$16.95
$10.95
Crystal Skulls Astonishing Portals to Mans Past
by David Childress
Used Trade Paperback
$18.95
$12.95
Strange Company Military Encounters with UFOs in World War II
by Keith Chester
Used Trade Paperback
$19.95
$14.95
Talking to Extraterrestrials: Transforming Our World with the Help of Enlightened Beings
by Lisette Larkins
Used Trade Paperback
$17.95
$10.95
Above & Beyond The Incredible True Story of Extraterrestrial Contact
by Lisette Larkins
Used Trade Paperback
$17.95
$13.95
Dawn Again Tracking the Wisdom of the Wild
by Doniga Markegard
Used Trade Paperback
$17.95
$12.95
Species with Amnesia Our Forgotten History
by Robert Sepehr
Used Trade Paperback
$18.97
$12.95
Milieu Welcome to the Transhuman Resistance
by Thomas R. Horn, Carl Teichrib, Paul Mcguire
Used Trade Paperback
$19.95
$13.95
North Carolina Ghost Lights & Legends
by Charles F Gritzner
Used Trade Paperback
$16.95
$10.95
Alien Agenda Investigating the Extraterrestrial Presence Among Us
by Jim Marrs
Used Trade Paperback
$18.99
$9.95
Unbelievable: Investigations Into Ghosts, Poltergeists, Telepathy, and Other Unseen Phenomena, from the Duke Parapsychology Laborato
by Stacy Horn
Used Trade Paperback
$16.99
$9.95
Ufos A Manual For The Millennium
by Phil Cousineau
Used Mass Market
$5.99
$4.95
HausMagick Transform Your Home with Witchcraft
by Erica Feldmann
Used Hardcover
$25.99
$17.95
Mysticism & the New Physics Revised & Updated Edition
by Michael Talbot
Used Trade Paperback
$18.00
$8.95
The Road to Walden: 12 Life Lessons from a Sojourn to Thoreau's Cabin
by Kevin Dann
Used Trade Paperback
$24.00
$10.95
Nightmareland Travels at the Borders of Sleep Dreams & Wakefulness
by Lex Lonehood Nover
Used Trade Paperback
$18.00
$12.95
Abominable Science Origins of the Yeti Nessie & Other Famous Cryptids
by Daniel Loxton, Donald R Prothero
Used Hardcover
$34.95
$14.95
UFOs Generals Pilots & Government Officials Go on the Record
by Leslie Kean
Used Hardcover
$25.99
$12.95
Atlantis The Andes Solution The Disc
by J M Allen
Used Hardcover
$26.95
$10.95
Alien Impact
by Michael Craft
Used Mass Market
$6.99
$5.50
Ufos Jfk & Elvis Conspiracies You Dont
by Richard Belzer
Used Hardcover
$24.00
$7.95
UFOs JFK & Elvis Conspiracies You Dont Have to Be Crazy to Believe
by Richard Belzer
Used Trade Paperback
$18.00
$10.98
Transformation The Breakthrough
by Whitley Strieber
Used Mass Market
$4.95
$3.50
Fire Came By The Riddle Of The Great Siberian Explosion
by John Baxter
Used Hardcover
$8.95
Scheme of Heaven The History of Astrology & the Search for our Destiny in Data
by Alexander Boxer
Used Hardcover
$28.95
$12.98
Way of the Explorer An Apollo Astronauts Journey Through the Material & Mystical Worlds
by Edgar Mitchell
Used Hardcover
$24.95
$15.50
How Enlightenment Changes Your Brain The New Science of Transformation
by Andrew Newberg
Used Trade Paperback
$17.00
$10.95
Star People
by Brad Steiger
Used Mass Market
$9.95
Mission Area 51 03
by Robert Doherty
Used Mass Market
$6.50
$3.95
Ufo Casebook
by Kevin D Randle
Used Mass Market
$4.95
UFO Enigma A New Review of the Physical Evidence
by Peter A Sturrock
Used Hardcover
$39.00
$9.95
Anatomy of a Beast: Obsession and Myth on the Trail of Bigfoot
by Michael Mcleod
Used Trade Paperback
$24.95
$10.95
Watchers The Secret Design Behind Ufo Ab
by Raymond E Fowler
Used Hardcover
$19.95
$14.95
Everything You Know Is Wrong
by Pye, Lloyd
Used Trade Paperback
$21.00
Beyond Contact A Guide To Seti & Communication
by Brian Mcconnell
Used Hardcover
$24.95
$14.95
Eagles Quest A Physicists Search for Truth in the Heart of the Shamanic World
by Fred Alan Wolf
Used Trade Paperback
$21.95
$6.95
Abducted How People Come To Believe They
by Susan A Clancy
Used Hardcover
$22.95
$9.95
Faces Of The Visitors An Illustrated Ref
by Kevin D Randle
Used Trade Paperback
$12.00
$8.95
Alien Contact
by Timothy Good
Used Hardcover
$21.50
$7.95
Search For Life On Mars
by Malcolm Walter
Used Hardcover
$25.00
$9.95
Messages The Worlds Most Documented Extraterrestrial Contact Story
by Stan Romanek
Used Trade Paperback
$17.99
$11.95
Coming Global Superstorm
by Art Bell
Used Mass Market
$6.99
$4.95
Destiny Matrix Making Star Trek Real
by Jack Sarfatti
Used Trade Paperback
$19.95
$12.50
Haunted Homeland: A Definitive Collection of North American Ghost Stories
by Michael Norman
Used Trade Paperback
$20.99
$8.95
UFO Hunters Book Two
by William J Birnes
Used Hardcover
$27.99
$15.95
Marriage of Sense & Soul Integrating Science & Religion
by Ken Wilber
Used Trade Paperback
$15.99
$9.95
Hunt for Zero Point Inside the Classified World of Antigravity Technology
by Nick Cook
Used Trade Paperback
$17.00
$9.98
Harpers Encyclopedia Of Mystical & Paranormal Experience
by Rosemary Ellen Guiley
Used Hardcover
$12.99
$6.50
Strange Phenomena
by Peter Henshaw
Used Trade Paperback
$12.99
$8.95
Hidden History Lost Civilizations Secret Knowledge & Ancient Mysteries
by Brian Haughton
Used Hardcover
$11.95
Sort By
Relevance
Recently Arrived
Title – A to Z
Title – Z to A
Grid
List
50 Items Per Page
25 Items Per Page
100 Items Per Page
200 Items Per Page
Previous
1
2
3
4
Next
Page 3 of 4
Compare
up to 5 items