When the Broadmoor opened in 1918, its owner, Spencer Penrose, was the P.

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Abu Hassan, the owner and the local master of masabacha, is so popular that a few imitation Abu Hassans have opened elsewhere in the country.

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Even these fine volumes, though, are overshadowed by the collection's 20th-century material, in particular the art books that grew out of Mr Gillet's friendship with Jean Hugues, a bookseller and gallery owner from Provence who knew many of the Surrealist poets and painters, and who opened a bookshop in the rue Jacob in Paris in 1952.

ECONOMIST: French book collecting