Desc: Le livre de cristal: Directed by Patricia Plattner. With Jean-François Balmer, Valeria Bruni Tedeschi, Douglas Ranasinghe, Gamini Fonseka. John Billeter, known as JB, an internationally renowned expert in Oriental civilizations, has agreed to return to Sri Lanka at the request of the UNESCO to decode a Book of Crystal, a treatise on memory that Buddha dictated in his old age.