Joris-Karl Huysmans 
Against Nature 

The hero of this curious novel is des Esseintes, a neurasthenic aristocrat who has turned his back on the vulgarity of modern life and retreated to an isolated country villa. Here, accompanied only by a couple of silent servants, he pursues his obsessions with exotic flowers, rare gems, and complex perfumes and embarks on a series of increasingly strange aesthetic experiments, starting with the decision to give his giant pet tortoise a jewel-encrusted shell…