Psilocybin, magic mushroom grower's guide : a handbook for psilocybin enthusiasts / O.T. Oss & O.N. Oeric ; drawings by Kat ; photography by Irimias the Obscure.

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Due to essential maintenance, we won’t be able to retrieve items from our closed stores over the weekend. Please submit requests for Monday 20 April by 10:00 on Friday 17 April. The library will remain open as usual. Thank you for your understanding.

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Oss, O. T.

Works from the collections

Psilocybin, magic mushroom grower's guide : a handbook for psilocybin enthusiasts / O.T. Oss & O.N. Oeric ; drawings by Kat ; photography by Irimias the Obscure.