From the page: ORDERING INFORMATION: The first half of PiHKAL is an excellent commentary on the Shulgin's personal experiences with phenethylamines. It is high

From the page: ORDERING INFORMATION: The first half of PiHKAL is an excellent commentary on the Shulgin's personal experiences with phenethylamines. It is highly recommended and well worth purchasing the book. Purchasing the book also gets you a far more complete cross-index into the chemicals described in the second half. If you are seriously interested in the chemistry contained in these files, you should order a copy." And The Copyright for Part 1 of PiHKAL has been reserved in all forms and it may not be distributed. Part 2 of PiHKAL may be distributed for non-commerical reproduction provided... And This is the online version of the second half of the book "PiHKAL: A Chemical Love Story" by Alexander and Ann Shulgin. It is presented with the express permission of the authors in order to spread the factual information as widely as possible and make it permanently available in the public domain....