I love shops like that. Terry has got it right in Good Omens, where you go into what looks like a tiny book shop and they just seem to go on forever. I suspect that's where the idea of L-Space came from.
A légpárnás hajóm tele van angolnákkal "Coffee. The finest organic suspension ever devised. I beat the Borg with it." - Capt. Kathryn Janeway