Most free PDFs of copyrighted books are hosted on unauthorized sites. While it feels like a victimless crime, it bypasses the royalty system that supports authors and publishers who invest years into refining these educational materials.
The link is from a reputable source (like or a known university repository). You mention that the file is for educational purposes only. pl soni organic chemistry pdf free
: Older editions of P.L. Soni’s work, such as the 1952 edition, are hosted legally on the Internet Archive as part of the Digital Library of India project. Modern Editions : Current versions (like the 29th edition) are published by Sultan Chand & Sons Most free PDFs of copyrighted books are hosted
Most "free" PDFs are uploaded to file-sharing sites like: such as the 1952 edition