Marcel Proust was a big fan of having his food delivered. For the last few years of his life he ate only Schwan's. He started to write a 77 volume novel detailing the founding of the Schwan empire. Sadly, the series was cut well short. A recent translation of the first volume is available at Amazon.com for $1.99.
Swann's Way: In Search of Lost Time, Volume 1 (Penguin Classics Deluxe Edition)
The translations being released by Penguin are only up to volume 4. Volume 5 is due out in January.