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Update: We have published a follow-up to this article with more details about how this happened.
The Chicago Sun-Times newspaper’s “Best of Summer” section published over the weekend contains a guide to summer reads that features real authors and fake books that they did not write was partially generated by artificial intelligence, the person who generated it told 404 Media.
The article, called “Summer Reading list for 2025,” suggests reading Tidewater by Isabel Allende, a “multigenerational saga set in a coastal town where magical realism meets environmental activism. Allende’s first climate fiction novel explores how one family confronts rising sea levels while uncovering long-buried secrets.” It also suggests reading The Last Algorithm by Andy Weir, “another science-driven thriller” by the author of The Martian. “This time, the story follows a programmer who discovers that an AI system has developed consciousness—and has been secretly influencing global events for years.” Neither of these books exist, and many of the books on the list either do not exist or were written by other authors than the ones they are attributed to.