While researching for an article, the reviewer stumbled upon BooksOnBoard. What she found made her wish she did so earlier. BooksOnBoard is one of the largest ebookstores, with an impressive collection of almost two hundred thousand ebooks in its database. They carry titles from a wide array of publishers, with prices often cheaper than the publisher's list price. Excerpts are available for download for most of the ebooks. Formats supported include Mobipocket, Microsoft Reader, eReader, and PDF. Most sites offer the same price for different formats of a book, but BooksOnBoard is an exception. The difference, however, is often trivial.