R S Geer Books: Rare, scarce and out-of-print books bought and sold; specializing in mysteries and novels from the late 1800s and early 1900s.
Randall House: Rare and collectible books; strong in Western Americana, fine press and printing, 19th and 20th century literature.
Rare Book Cellar: Search or browse an inventory of hard to find, out of print, used, and rare books.
Rare Book Reprints: Text, reprints, and manuscripts for the historian, researcher, genealogist, and the curious.
Rare Books in Japan: Western and Japanese rare and antiquarian books bought, sold and exchanged.
Rare, Used, Out-of-Print Books: Books listed in categories; details and prices by telephone (USA) or email.
Rarity Of The Day: Rare books, listed by title, author and description.
Ravenroost Books: Used, rare, hard-to-find books in sciences, natural sciences, medicine, botany, non-fiction, literature.
Ray Boas Bookseller: Specialties include: business, financial histories and biographies, and the decorative.
Read Book: Hardback bestsellers; fiction, non-fiction, and biographies, including Grisham, Clancy, and Steel.
Readers' Paradise: Bookstore features out-of-print books and rare books published by small presses and regional publishers.
Reading Well, Ltd.: Includes online inventory of rare and used books.
ReBook: Rare, used and out of print books, specializing in children's books. Includes international book search service.
Red House Books: Out-of-print books on subjects like social movements of the 1960s, the Beat Generation, and first editions by modern authors.
Red Sky Books: Used and out-of-print books, including African art, craft, magic, music, and Broadside magazines.
Reed Orenstein Rare Books: Specializing in books illustrated by Maurice Sendak, juvenile series books, Modern Firsts, science fiction, illustrated art books.
Reid and Wright: Consortium of book dealers in Connecticut, specializing in rare and out of print maps, prints and architectural books.
Rereadables: Murder, mystery, science fiction, romance and over 19 categories.
Richard B. Arkway: Books, antique maps, atlases, and globes.
Ridiculous Book Store: New and used books of all kinds. Pseudonym lookup function, downloadable catalogs, free book searches, open forums.
River Road Books: Specializes in modern first editions in literature and mystery with some popular fiction. Stocks collectible small press books from Franklin and Heritage Press.
RiverRun Books: Used and rare books, including literary fiction, poetry, and non-fiction.
Robert Downie Fine Books: Principal interest in theology, economics, science, history and classics.
Robert Frew: Antiquarian books, maps and prints; based in London, UK.
Robert Gavora: Fine and Rare Books, specializing in railroad history and technology, science fiction, fantasy, horror, western Americana, mystery, and stocks of general fiction and nonfiction.
Robert Wright Books: Antiquarian and fine books. Specialties include the pre-Raphaelites, John Ruskin, nineteenth and twentieth century literary first editions, Canadian literature, cinema.
Ron Lieberman, Antiquarian Bookseller: Fine and rare books; large inventory all on one page.
Rose's Books: Rare and out of print books, children's and illustrated books as well as general stock.
Rosenbad Antique Books: Antiquarian books, rare books, literature, science, books in russian, english and french, listed by subject.
Rufoustowhee Books: Specializes in mysteries. Categorized listing shows available quantities in each genre.