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Textbooks covering core subjects like Mathematics, Language Arts, and Natural Sciences for grades 1 through 6.

Most files start with a physical book being meticulously scanned and converted to PDF using OCR (Optical Character Recognition) so the text is searchable. libros+santillana+google+drive

While users often feel they are performing a "social good" by sharing these books, the "deep story" includes hidden dangers: Textbooks covering core subjects like Mathematics