Wired News: Net Publishing made profitable. Adam Engst, the publisher of the Macintosh-focused newsletter Tidbits finally found a way to make money in publishing with e-books, small books costing up to $10 that can be download and printed through printers. At this time the market for e-books is small, a $15 million industry, but expected to grow. Engst differs from other publishers by the sharing 50% of the royalty with the author.