Biologist and author Merlin Sheldrake is using a particularly self-referential marketing strategy for his new book Entangled Life. In a recent Instagram post, Sheldrake announced the mycelium-based project’s release with an image of the text literally bursting with fungi. “Here it is being devoured by Pleurotus, or oyster mushrooms. Pleurotus can digest many things, from crude oil to used cigarette butts, and is also delicious. Now Pleurotus has eaten Entangled Life, I can eat the Pleurotus, and so eat my words,” he writes. You can purchase your own (untarnished) copy from Bookshop.