Joseph-Beth Booksellers - Offers online book title browsing and shopping. - http://www.josephbeth.com/
J.F.Ptak Books - General titles and science books for sale. - http://www.thesciencebookstore.com/
JHWhite PubsCo - Selection of books, focussing on the mind, money and self help. - http://www.aniota.com/~jwhite/
Judi's Online Bookstore - Featuring new authors; murder espionage novels or life during The Great Depression. - http://www.galaxymall.com/books/judisbookstore/
Jones Sands Publishing - Books and general literature on maritime art and English history. News, articles and information included. - http://www.jones-sands-publishing.com/