: The most reputable source for the "Chemical" half of the book (Part 2) is Erowid.org
While the full copyrighted text is often hosted on various third-party document-sharing sites, the most reliable and legal way to access the technical "Book II" (the chemical portion) is through the archive, which provides the synthesis instructions and commentary for free with the authors' blessing. Report Overview Full Title: PiHKAL: A Chemical Love Story (Phenethylamines I Have Known and Loved). pihkal pdf free
Discussion of notable compounds identified and studied by the authors. 4. Impact and Significance : The most reputable source for the "Chemical"