Ghost Shelf: check a title, show the patron, find three held books
Patrons arrive with titles a chatbot made up. Check three sources, show them the card, then hand them three books you hold.
Our catalog
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3,000 held titles
Open Library
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Internet Archive
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Three held books from The Martian and Radiohead
Demo collection: about 3,000 most-borrowed 2025 titles at Seattle Public Library (public domain). Books ranked by Qloo, a taste database. Covers from Open Library.