Camden Books  
   Antiquarian, rare and scholarly books in architecture, economics, philosophy, physics and mathematics, and Byzantine studies and history of art. Based in Bath, UK.
   http://www.camdenbooks.com/

Canine Cornucopia  
   British specialists in quality used, out of print, rare and collectable books about dogs.
   http://www.corsini.co.uk/cornucopia/pyrenean.htm

Caterwaul Books  
   Used and rare bookstore. Search, request a book search, or order online.
   http://www.caterwaulbooks.com/

Carol's One Stop Book Shop  
   Used hardback and paperback books, mostly fiction, listed in categories.
   http://members.tripod.com/~CAROLSBOOKS/home.html

Chaucer Bookshop  
   Specialising in first editions, children's, illustrated and antiquarian books of science, and medicine. Based in Canterbury, UK.
   http://www.chaucer-bookshop.co.uk/

Charles B. Wood III, Antiquarian Booksellers  
   Includes architecture, landscape architecture and garden history, art conservation, book arts and printing history.
   http://world.std.com/~cbw/1.html

The Colophon Bookshop  
   Specialists in antiquarian and in-print books about books and bibliography, literary first editions, first editions of mystery and detective fiction.
   http://www.colophonbooks.com/

Crabtree's Collection  
   Sells nature, juvenile, history, and a general selection of old and out-of-print books. Searchable inventory.
   http://www.crabcoll.com/

Cellar Stories Bookstore  
   Used, rare, and antiquarian Books: search or browse.
   http://www.cellarstories.com/

Crecy Books  
   Subjects include mystery, action, adventure, science fiction, westerns. Based in Georgia.
   http://www.crecybooks.com/

Cromwell Books  
   Used and rare books in most subjects.
   http://www.cromwellbks.com/

Curious Kiwi Books  
   Out-of-print and antiquarian book search.
   http://www.kiva.net/~kiwi/

C. Dickens  
   Fine, rare and collectible books, maps, historical documents, autographs and manuscripts.
   http://www.cdickens.com/

Collect Books  
   First editions, including fiction, non fiction, annuals and paperbacks.
   http://collect-books.co.uk/

Christison Rare Books  
   Antiquarian and out-of-print books, especially those relating to or emanating from Africa.
   http://www.antiquarian.co.za/

Concharbooks  
   Used books in over fifty categories, from first-edition factual books to all types of fiction. A store with a Celtic flavour, including second-hand CDs, videos and online games.
   http://www.concharbooks.co.uk/

Chapel Hill Rare Books  
   Specialities include Americana, 19th and 20th century first editions, and rare books in a variety of subjects.
   http://www.chapelhillrarebooks.com/

Canterbury Books  
   Offers secondhand and out of print books by mail in all categories, with an emphasis on Canadian content.
   http://www.canterburybooks.com/

Century Books  
   Rare and out-of-print books as well as information and resources on books and book collecting.
   http://www.centurybooks.com/

Charles Canfield Brown Fine Books  
   Includes unusual books in many categories and scholarly, out-of-print books.
   http://hometown.aol.com/chascanfield/myhomepage/profile.html

Curious Book Shop  
   Science fiction, mystery, children's books, Michigan history, sports memorabilia, and old magazines, including comic books and pulps. Includes searchable online inventory.
   http://www.curiousbooks.com/

Continental Books  
   Used and out-of-print books. Search or browse categories.
   http://www.continentalbooks.com/continental.cgi

Coup de Foudre  
   Offers rare books in science, medicine, wine, and mountaineering, as well as tribal art, maps, and antiquities.
   http://www.coupdefoudre.com/

Charles Mckee Books  
   Specializing in science-fiction, horror, mystery, cartoon, Canadiana, and fishing.
   http://www.charlesmckeebooks.com/

The Castle Bookroom  
   Hard to find rare books on all subjects.
   http://www.thecastlebookroom.com/

Curio Corner Books  
   Collectible, rare, and out-of-print, books, including children's, science fiction, Americana, and biographies.
   http://www.curiocornerbooks.com/

Calico Tales  
   Used, out-of-print and rare books. Categories include science fiction, fantasy, horror, romance and art history. Off-line search available.
   http://www.calicotales.com/

Charles Agvent  
   Online inventory of books with major collections.
   http://users.erols.com/agvent/

Crowes' Nest Books  
   Searchable database of used and out-of-print books in many categories.
   http://www.crowes-nest.com/

Carol's Books  
   Wide variety of good value secondhand books through the post.
   http://www.carolsbooks.co.uk/

Collectable Books  
   Includes modern first editions, military, political, travel, and biography. Free booksearch service.
   http://www.collectablebooks.net/

Christine's Book Cabin  
   Out of print, rare and used books including first editions, collectable books, and comics.
   http://www.bookcabin.co.uk/

Cat's Cradle Books  
   An eclectic mix of used, out of print, and rare books. Based in North Carolina.
   http://www.catscradlebks.net/

C. North Books  
   Specializing in Western Americana, Native America, biography, science fiction, and art.
   http://www.cnorthbooks.com

CnD Previously Loved Books  
   Specializing in romance, mystery, science fiction and contemporary books. Site includes drawings, author links and pseudonyms.
   http://www.cndbooks.com

Cranberry Book Barn  
   General stock of new, used, out-of-print and rare books.
   http://www.cranberrybooks.com

Cofion  
   Second Hand Books and Edwardian postcards in Tenby, Pembrokshire, UK; offers an approval mail-order facility.
   http://www.cofion.com

Carpe Libris  
   Antiquarian, rare, and other interesting books, including private press, letterpress, and ephemera.
   http://www.carpelibris.com

Chozen Books  
   First editions, used, out-of-print, and vintage novels. Offers book search services and a mailing list.
   http://www.chozenbooks.com/

Clover Hill Books  
   Specializes in 20th century British and American literature, poetry, literary criticism, and biography about 20th century writers.
   http://www.cloverhillbooks.com/

Calix Antiques  
   Features rare and antiquarian books, specializing in 15th to 18th century printed texts and incunabula.
   http://www.calixbooks.com/

Camberwell Books & Collectibles  
   General stock of books arranged in a wide selection of subjects; accepts want lists.
   http://members.ozemail.com.au/~cambooks/

Capricorn Books  
   Specializing in rare and used books; a general stock with larger catalogues being Military History, Science Fiction/Fantasy, Children's, Art, Antiques, and History.
   http://www.capricornbooks.ca/

Cozy Corner Books  
   Used, rare, and out of print books with a searchable database including both hardbacks and paperbacks plus online ordering.
   http://www.cozycornerbooks.com/

Carmichael Alonso Books  
   Specialist in 20th century Spanish literature, women's books, art, and music.
   http://www.carmichaelalonso.com/english/

Cambridge Book and Print Gallery  
   Specialises in nineteenth and twentieth century works on paper: modern original prints, fine drawings and watercolours, as well as rare books and hard-to-find exhibition catalogues.
   http://www.slybrownfox.com/

Carolyn's Cookbooks  
   Sells used cooking and craft books.
   http://www.carolynscookbooks.com/CGC/

Cliperdown Books  
   Scarce and out-of-print books on early Mountaineering and Angling, as well as Vintage Detective and Victorian Boys Books.
   http://www.clipperdownbooks.co.uk/

Chris Hartmann, Bookseller  
   Sells out-of-print and scarce, primarily non-fiction, books by mail order only.
   http://hartmannbooks.com/

Cason Books  
   Sale of used and out-of-print books. Specializing in Georgia regional and decorative arts.
   http://www.casonbooks.com/

Commonwealth Books  
   Emphasis on the arts, architecture, history, literature, and religion.
   http://mysite.verizon.net/vze6y8ue/

Cat's Cradle Booksellers  
   Used, rare and collectible fiction and children's classics, plus biographies, science and law. Based in Illinois.
   http://www.tomfolio.com/mall/catscradle/

Cardinal Books  
   Used books, including collectibles and other hard to find titles.
   http://romancenovelsandseriesbooks.com/

Catch On Here  
   Used books; including Christian, children's, educational, hobbies, home and garden.
   http://www.shoppalstores.com/cchristian/