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by Alexander & Ann Shulgin

Book I: The Story Continues

This is the continuation of the love story from PIHKAL: A Chemical Love Story with a blend of travel, botanical facts, scientific speculation, psychological and political commentary.

Book II: The Chemistry Continues

Describes in detail a wealth of tryptamines in the same format as Book II of PIHKAL, plus appendices presenting topics such as cactus alkaloids, natural beta-carbolines, current drug law, and all known tryptamines (from the literature) that might be psychedelic.

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— Alexander & Ann Shulgin, Tihkal