Welcome to UBR, Inc.

• Adams Brown Co.
• Arlington Book Co.
• Theodore R. Crom
• Dover Publications
• G. K. Hadfield
• Powell's Books, Portland, OR
• Shentonbooks: Specialist Horological Booksellers
• William R. Smith,
• Trantiques Book Co.
• U.S. Books
• Willmann-Bell, Inc.

Book Search Engines

• Addall
• Amazon.com Includes searches for used books offered by many booksellers.
• Bibliofind Searches over 5 million used books offered by over 1750 booksellers.
• Bookfinder Searches for used books.

Clock Publications