An application that checks an ISBN (International Standard Book Numbers) for consistency using the built-in checksum. If this check fails, it calculates a list of plausible ISBNs that the input ISBN could have been derived from.
Search by title, author, keyword or subject for art, nature, medical, cooking, games, education and many other subjects, along with rare, hard to find, audio books and magazines.
120 page SEO book written by Aaron Wall that contains marketing ideas, tips and advice, along with current updates on all aspects of the search engine industry.
Large selection of unabridged audio books for rent or sale. Thousands of titles, used audio books, audio samples. Genres range from fiction, classics and mystery to personal achievement, history and war. Formats supported: CD, tape & CD-MP3.
Professional/scientific book retailer with a special emphasis on medicine, engineering, business, computers, and almost every branch of the sciences. 'Washington Law' section for law texts as well as area studies and international economics.
New, used and hard-to-find books about modern and small-press poetry, the Beat generation, Buddhism, counterculture, drugs, music and the work of Michael McClure. Essays and anthologies are available as well.
New, used and hard to find books. Specializing in romance, mystery, Irish reads, historical and fantasy. Catalogue is updated daily. Visit Curiosity corner for facts and stories from the origin of Valentine's Day to Christmas traditions.
Business book summaries and business book briefings recorded on audio cassettes or CD's. Each of the audio books is distilled by the editors from two oustanding business titles. Listen to samples, subscribe or purchase the summaries.
Abridged and unabridged titles on cassette tapes available in a wide range of categories from classics, mistery to science-fiction and children's. Read about great authors' lives or listen to excerpts from the books.
Find titles and compare prices on any trade and many out of print books at nine bookstores. Search by title words, author, or ISBN.
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