Destructive book scanning is the digitization method that removes a book's binding so the loose pages can be fed through a sheet-fed scanner — the fastest and most accurate way to convert a printed volume to text, at the cost of the volume itself.
The procedure is mechanical and short. A guillotine or hydraulic cutter takes roughly five millimeters off the bound edge, severing the glue or stitching and leaving a stack of individual flat sheets. Those sheets go through an automatic document feeder at the scanner's rated throughput, which for a desktop unit like the 📝ScanSnap iX2500 means a few minutes for an entire book rather than the hour or more a bound volume demands. Ragged or curved outer edges are often trimmed in the same pass so the feeder grips cleanly.
The reason to accept the cost is optical character recognition. Pages scanned this way are flat, evenly lit, free of gutter shadow, and uniformly aligned — the four conditions OCR engines depend on. Professional services report better than 99% character accuracy on modern printed text processed this way, a margin that non-destructive capture rarely matches because a bound page curves into the gutter and throws off both geometry and lighting. Non-destructive scanning — overhead planetary scanners, V-cradles, careful manual page turns — exists for the cases where the object has value: rare books, archival material, anything borrowed. The choice is therefore not about quality but about what is being preserved. Destructive scanning is correct when the information in the book matters and the book does not.
This is how I get whole books into a form AI agents can actually use — I'll scan a book this way and hand it to an agent as training material.