Offers books in all genres, but specializes in science fiction, fantasy, and horror.

Stocks primarily science fiction, fantasy, horror, mystery, private eye, and spy thriller books. Located in Canada.

Specializes in used and out of print books by and about J.R.R. Tolkien. Has extensive stock in collectible science fiction and fantasy, mythology and folklore, and Native American studies.…

Internet only bookstore specializing in science fiction and fantasy but with other fine books.

Used and out-of-print railroad books.

Varuety of used and rare books in the specialty.

Secondhand railway, tram and canal books; mainly British, but some overseas titles.

Buys and sells Christian, family, reading and homeschooling books as well as videos, software and music.

Antiquarian and secondhand theological and religious books; specializies in academic works.

Out of print books in Judaica, Palestine and Eretz Israel, and Jewish Art.

Second-hand, used books for sale on-line. Categories from the rare, spiritual, crime, and fantasy.

Old, rare and out of print books.

Old, new, rare and out of print books.

Antiquarian and used books.

A general used, rare and out-of-print bookstore; hardcover books with an emphasis on non-fiction, including antiques, military, railroad and aviation. Based in Winter Haven, Florida.…

Rare and hard-to-find books in many categories; also ephemera.

Used and rare books, sorted by category.

Offers searchable database of new, used, and collectible antiquarian books.

Used books in Neuroscience, Philosophy, Psychiatry, Psychoanalysis, Psychology and Social Thought.

Curious, Unusual and Interesting Books of the 16th-20th Centuries.