And he is laying the groundwork for romance novels generated by new algorithms. “I’ve already set it up,” he said. “There are only so many body parts.”

Perusing a work like the outlook for bathmat sales in India, a reader would be hard pressed to find an actual sentence that was “written” by the computer. If you were to open a book, you would find a title page, a detailed table of contents, and many, many pages of graphics with introductory boilerplate that is adjusted for the content and genre.

While nothing announces that Mr. Parker’s books are computer generated, one reader, David Pascoe, seemed close to figuring it out himself, based on his comments to Amazon in 2004. Reviewing a guide to rosacea, a skin disorder, Mr. Pascoe, who is from Perth, Australia, complained: “The book is more of a template for ‘generic health researching’ than anything specific to rosacea. The information is of such a generic level that a sourcebook on the next medical topic is just a search and replace away.”

When told via e-mail that his suspicion was correct, Mr. Pascoe wrote back, “I guess it makes sense now as to why the book was so awful and frustrating.”Mr. Parker was willing to concede much of what Mr. Pascoe argued. “If you are good at the Internet, this book is useless,” he said, adding that Mr. Pascoe simply should not have bought it. But, Mr. Parker said, there are people who aren’t Internet savvy who have found these guides useful.

It is the idea of automating difficult or boring work that led Mr. Parker to become involved. Comparing himself to a distant disciple of Henry Ford, he said he was “deconstructing the process of getting books into people’s hands; every single step we could think of, we automated.”

He added: “My goal isn’t to have the computer write sentences, but to do the repetitive tasks that are too costly to do otherwise.”

In an interview from his home in San Diego and his offices nearby, Mr. Parker described his motivation as providing content that the marketplace has otherwise neglected for lack of an audience. That can mean a relatively obscure language is involved, or a relatively obscure disease or a relatively obscure product.

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Take, for example, the study of bathmats in India.

“Only one person in the world may be interested in that,” he conceded, “probably a strategic planner for a multinational that makes those.” But he points out that once he has trained the computer to take data about past sales and make complex calculations to project future sales, each new book costs him about 12 cents in electricity. Since these books are print-on-demand or delivered electronically, he is ahead after the first sale, he said.

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His company, the Icon Group International, is the long tail of the bell curve come to life — generating significant total sales by adding up tens of thousands of what might be called worst sellers. For example, a search at the Galter Health Sciences Library of the Feinberg School of Medicine at Northwestern University found half a dozen Icon books, mainly in the library for patients and their families.

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Icon is “a very innovative and interesting example of print on demand,” said Kurt Beidler, a senior manager at Amazon.com who runs the publishers’ services for BookSurge, Amazon’s print-on-demand company. “A lot of examples of print on demand take older books and bring them back — really acting as a supply-chain tool. In this kind of business, it’s a new business, using this capability to introduce new material to customers.”

Mr. Parker compares his methods to those of a traditional publisher, but with the computer simply performing some of the scut work. In an explanatory YouTube video, Mr. Parker shows a book being created. The computer is given an assignment — project the latent demand for antipsychotic drugs around the world, based on the sales figures in the United States.

“Using a little bit of artificial intelligence, a computer program has been created that mimics the thought process of someone who would be responsible for doing such a study,” Mr. Parker says. “But rather than taking many months to do the study. the computer accomplishes this in about 13 minutes.”

An editor picks the years to be covered, but the computer picks the optimum model for extrapolating sales in various countries, and in alphabetical order produces a chart for each country. “It will then open a Word document and export the information into Word just like a real author would out of their minds, so to speak, or spreadsheets,” he says.

Artificial intelligence researchers say computers are far from being what the general public would consider authors.

“There is a continuous spectrum, also known as a slippery slope, between a program that automatically typesets a telephone directory and a program that generates English texts at the level of variety you would expect from a typical human English speaker,” said Chung-chieh Shan, an assistant professor in the computer science department of Rutgers. “The former program is easy to write, the latter program is very difficult; in fact, the holy grail of linguistics. Like Mad-Libs, Parker’s programs probably lie somewhere between the two ends of this spectrum.”

Mr. Parker has lately taken to lighter fare intended to educate. He said he had invested “up to seven figures into the animation business” for word-based video games and animated game shows that will teach English to non-English speakers. YouTube has many examples of these games, which have computer- generated scripts.

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A low-tech version of those games are the thousands of crossword puzzle books Mr. Parker has made in about 20 languages. The clues are in a foreign language and the answers are in English. The computer designs the puzzles and ensures that the words become harder as one progresses.

As part of his love of words, and dictionaries in all languages, Mr. Parker said he has taken to having his computers create acrostic poems — where the first letter of a series of words spells a synonym of those words, often to ironic effect.

Of course, one of the difficulties of generating a hundred thousand poems is stepping back and assessing their quality.

“Do you think one of them is Shakespeare?” he was asked.

“No,” he said. “Only because I haven’t done sonnets yet.”