Nature's Shift

Peter Bell the Third, accidentally named from the title of a poem by Percy Bysshe Shelley, is called upon to renew his old friendship with Rowland Usher, who was deliberately named after the protagonist of a story by Edgar Allan Poe. In the new House of Usher that Rowland is growing in the Orinoco Delta, Usher explains the scientific work in genetics that he's doing there to Peter, while they both...