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Welcome to Discovery Merchant

Discovery Merchant is a secondhand marketplace for unique items. Check back often as we list new items on a regular basis. We source our items from estate sales, thrift stores, swap meets, and other similar secondary markets. As such, all items are used unless otherwise stated and are offered in “as-is” condition only.

Recent Arrivals


  • Sale Product on sale
    Journey Across Russia: The Soviet Union Today (The National Geographic Society)
    Journey Across Russia: The Soviet Union Today (The National Geographic Society)
    $14.95 $3.67
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  • Sale Product on sale
    Uncertainty - Einstein, Heisenberg, Bohr, And The Struggle For The Soul Of Science
    Uncertainty – Einstein, Heisenberg, Bohr, And The Struggle For The Soul Of Science
    $5.95 $3.13
    Add to cart
  • Sale Product on sale
    What Is Your Dangerous Idea? - Today's Leading Thinkers On The Unthinkable
    What Is Your Dangerous Idea? – Today’s Leading Thinkers On The Unthinkable
    $8.95 $3.31
    Add to cart
  • Sale Product on sale
    I Am Not A Serial Killer by Dan Wells 2010 Paperback
    I Am Not A Serial Killer by Dan Wells 2010 Paperback
    $5.95 $3.13
    Add to cart
  • Sale Product on sale
    Kraken - A Novel by China Miéville 2011 Paperback
    Kraken – A Novel by China Miéville 2011 Paperback
    $8.95 $3.31
    Add to cart
  • Sale Product on sale
    Uncle Tungsten - Memories Of A Chemical Boyhood by Oliver Sacks 2001
    Uncle Tungsten – Memories Of A Chemical Boyhood by Oliver Sacks 2001
    $8.95 $3.31
    Add to cart
  • Sale Product on sale
    Nelson's Trafalgar - The Battle That Changed The World by Roy A. Adkins
    Nelson’s Trafalgar – The Battle That Changed The World by Roy A. Adkins
    $8.95 $3.31
    Add to cart
  • Cliffs Notes on Conrad's Heart of Darkness & Secret Sharer
    Cliffs Notes on Conrad's Heart of Darkness & Secret Sharer
    $2.95
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  • CliffsNotes On Stevenson's Dr. Jekyll And Mr. Hyde by James L. Roberts 1984
    CliffsNotes On Stevenson’s Dr. Jekyll And Mr. Hyde by James L. Roberts 1984
    $2.95
    Add to cart

Product categories

  • Antiques and Collectibles (334)
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    • Disney (149)
  • Aviation (3)
  • Books (3780)
    • Art (68)
    • Children (72)
    • Food and Nutrition (188)
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    • Western (35)
  • Crafts (434)
    • Patches and Appliques (178)
  • Films (6)
  • First Responders (1002)
    • Law Enforcement (911)
    • Security (3)
  • Military (840)
    • United States Air Force (USAF) (92)
    • United States Army (USA) (213)
    • United States Coast Guard (USCG) (14)
    • United States Marine Corps (USMC) (14)
    • United States Navy (USN) (169)
  • Music (67)
  • Politics and Government (44)
  • Religion (92)
  • Science and Technology (901)
    • Aviation (194)
    • Health and Medicine (93)
    • Nature (88)
    • Space (170)
    • Trains (90)
  • Science Fiction (195)
  • Special Collections (4929)
    • Good4U (137)
    • Libre ex Machina (3619)
    • Nominal Science Laboratory (1089)
    • The Quartermeister (1573)
    • Warehouse Goblin (11)
  • Sports (95)

Product tags

American Army Aviation Biography California Classics Cooking Crafts Disney Disney Trading Pin Dogs Earth Fiction Hard Rock Cafe History Infantry International Iron-on Man-woman relationships Military NASA Navy New Jersey New York Pennsylvania Philadelphia Police Reference Romance Romance fiction Russian Science Science Fiction Sheriff Space Space Shuttle The Walt Disney Company Travel Uniform United States United States Air Force United States Army War Wisconsin World War II
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