On the nature of poison -- Nigredo : a turn of darkening -- Excitantia : provokers and agitators -- Speed limits -- Coffee : Coffea arabica -- Tea : Thea sinensis -- Chocolate I : Theobroma cacao -- Plant wars -- Chocolate II : Theobroma cacao -- The black drink : Ilex spp., guarana -- Cola : Kola nitida -- Khat : Catha edulis and amphetamine -- Ma huang, Ephedra spp. -- Speed freaking (amphetamine) -- Coca : Erythroxylum coca -- Stealing from tomorrow -- Wandering and the vision quest -- Empathogenica : mammalian raptures -- Intro chapter? -- Nutmeg reveries -- MDMA, ecstasy -- GHB -- Dream stutters.