In the delightful Snakes and Ladders, ‘a didactic fiction about cartography’ made for French television to promote a map exhibition at the Centre Pompidou in Paris – a Borgesian metaphysical fantasy whose hero progressively discovers that France is a life-size board game (devoted to Snakes and Ladders or ‘The Goose’s Game’) – one has to deal with tatty special effects of Edward D. Wood Jr calibre, along with the brilliant conceits and two separate off-screen narrators, male and female.

At the outset, the troubled hero (Pascal Bonitzer) – who is found to be vomiting out dice on one occasion, and shaken as dice by an enormous hand on another – discovers that ‘he is the victim of the worst kind of nightmare, the didactic nightmare.’ Some form of didacticism seems evident in every Ruiz project but, as with Borges, it is a didacticism that often parodies itself and becomes camp, yielding precisely the kind of nightmare that ensues when, through a delirium of literalism, thought becomes flesh and the universe becomes a brain dreaming of thoughts yet unborn.