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Science and Mathematics
Duration: 118 ms, Number of Items: 158
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Horizon
by Barry Lopez
Used Trade Paperback
$18.00
$12.95
On Trails: An Exploration
by Robert Moor
Used Trade Paperback
$17.99
$11.95
Rowing to Baikal: Sixty Days on Mongolia's Selenge River
by Peter W. Fong
New Trade Paperback
$19.95
Orchid Thief
by Susan Orlean
Used Trade Paperback
$19.00
$9.95
Wild in the City A Guide to Portlands Natural Areas
by Michael Houck
Used Trade Paperback
$18.95
$9.95
Cut in Half The Hidden World Inside Everyday Objects
by Mike Warren, Jonothan Woodward
Used Hardcover
$32.50
$21.00
Arctic Dreams: Imagination and Desire in a Northern Landscape
by Barry Lopez
Used Trade Paperback
$18.00
$12.95
Nature Swagger Stories & Visions of Black Joy in the Outdoors
by Rue Mapp
New Hardcover
$24.95
Ghostways Two Journeys in Unquiet Places
by Robert MacFarlane and Stanley Donwood and Dan Richards
Used Trade Paperback
$15.95
$10.95
Mini Weapons of Mass Destruction Build Implements of Spitball Warfare
by John Austin
Used Trade Paperback
$17.99
$11.95
The Nature of Portland: A Fun, Friendly Guide to Portland-Area Plants and Animals
by LeeAnn Kriegh
New Trade Paperback
$20.00
Field Guide to Oregon Rivers
by Tim Palmer
New Trade Paperback
$29.95
How Things Work: The Inner Life of Everyday Machines
by Theodore Gray and Nick Mann
Used Hardcover
$29.99
$12.95
Finding Treasure A Field Guide
by W C Jameson
Used Trade Paperback
$17.95
$9.95
Desert Oracle Volume 1 Strange True Tales from the American Southwest
by Ken Layne
Used Trade Paperback
$18.00
$13.95
Absinthe & Flamethrowers Projects & Ruminations on the Art of Living Dangerously
by Gurstelle, William
Used Trade Paperback
$16.95
$8.95
Mini Weapons of Mass Destruction 2 Build a Secret Agent Arsenal
by John Austin
Used Trade Paperback
$17.99
$6.95
Landlines
by Raynor Winn
Used Hardcover
$27.95
$19.95
Star Builders Nuclear Fusion & the Race to Power the Planet
by Arthur Turrell
Used Trade Paperback
$17.99
$12.95
Wild Silence A Memoir
by Raynor Winn
Used Trade Paperback
$20.00
$13.95
Between the Tides in Washington & Oregon Exploring Beaches & Tidepools
by Ryan P Kelly, Terrie Klinger, John J Meyer
New Trade Paperback
$24.95
Unbowed A Memoir
by Wangari Maathai
Used Trade Paperback
$18.00
$10.95
Theodore Grays Completely Mad Science Experiments You Can Do At Home But Probably Shouldnt The Complete & Updated Edition
by Theodore Gray
New Hardcover
$28.00
Parks & Plates The Geology of Our National Parks Monuments & Seashores
by Robert J Lillie
Used Trade Paperback
$145.75
$50.00
End of the Earth Voyages to Antarctica
by Peter Matthiessen
Used Trade Paperback
$15.00
$10.95
How to Build a Hovercraft Air Cannons Magnetic Motors & 21 Other Amazing DIY Science Projects
by Fritz Grobe, Stephen Voltz
Used Trade Paperback
$24.95
$12.95
Whatever You Do Dont Run
by Peter Allison
New Trade Paperback
$19.95
Seasonal Guide to the Natural Year Florida with Georgia & Alabama Coasts A Month by Month Guide to Natural Events
by M Timothy OKeefe
Used Trade Paperback
$16.95
$10.95
Art of the Catapult Build Greek Ballistae Roman Onagers English Trebuchets & More Ancient Artillery
by William Gurstelle
Used Trade Paperback
$16.95
$10.95
Mondo Magnets 40 Attractive & Repulsive Devices & Demonstrations
by Fred Jeffers
Used Trade Paperback
$16.95
$7.50
Ecotourism & Certification Setting Stand
by Martha Honey
Used Trade Paperback
$37.00
$8.95
Greasy Rider Two Dudes One Fry Oil Powered Car & a Cross Country Search for a Greener Future
by Greg Melville
Used Trade Paperback
$15.95
$7.95
Practical Pyromaniac Build Fire Tornadoes One Candlepower Engines Great Balls of Fire & More Incendiary Devices
by William Gurstelle
Used Trade Paperback
$16.95
$9.95
Theo Grays Mad Science Experiments You Can Do at Home But Probably Shouldnt
by Theodore Gray
Used Trade Paperback
$19.99
$11.95
Desert Sojourn A Womans Forty Days & Nights Alone
by Debi Holmes Binney
Used Trade Paperback
$14.95
$4.50
Garbology Our Dirty Love Affair with Trash
by Ed Humes
Used Hardcover
$27.00
$18.50
Official Guide To The Smithsonian National Air & Space Museum
by Smithsonian Institution
Used Trade Paperback
$14.99
$10.50
Birds Of Florida Field Guide Companions To The Audio Cds
by Stan Tekiela
Used Trade Paperback
$14.95
$8.95
Birds of Maryland & Delaware Field Guide Includes Washington DC & Chesapeake Bay
by Stan Tekiela
Used Trade Paperback
$14.95
$7.50
Mountains of California
by John Muir
Used Trade Paperback
$9.95
Field Guide to Citizen Science How You Can Contribute to Scientific Research & Make a Difference
by Catherine Hoffman, Caren Cooper, Darlene Cavalier
Used Trade Paperback
$16.95
$11.95
Plants of the Pacific Crest Trail
by Dana York, James M Andre
Used Trade Paperback
$29.99
$18.98
Naked Eggs & Flying Potatoes Unforgettable Experiments That Make Science Fun
by Steve Spangler
Used Trade Paperback
$14.95
$9.95
Fire Bubbles & Exploding Toothpaste More Unforgettable Experiments that Make Science Fun
by Steve Spangler
Used Trade Paperback
$14.95
$10.95
Electric Pickle
by Joey Green
Used Trade Paperback
$19.99
$13.95
Backyard Ballistics 2nd Edition Build Potato Cannons Paper Match Rockets Cincinnati Fire Kites Tennis Ball Mortars & More Dynamite Devices
by William Gurstelle
Used Trade Paperback
$16.95
$11.95
Mini Weapons of Mass Destruction 3 Build Siege Weapons of the Dark Ages
by John Austin
Used Trade Paperback
$17.99
$6.95
Mini Weapons of Mass Destruction 4 Build & Master Ninja Weapons
by John Austin
Used Trade Paperback
$17.99
$11.95
Southwest Desert Nature Set
by James Kavanagh, Waterford Press
New Info Not Available
$17.95
Launchers Lobbers & Rockets Engineer Make 20 Awesome Ballistic Blasters from Ordinary Stuff
by Lance Akiyama
Used Trade Paperback
$24.99
$11.95
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