Dictionary of the Khazars: A Lexicon Novel (Serbian: Хазарски речник / Hazarski rečnik) is the first novel by Serbian writer Milorad Pavić, published in 1984. Originally written in Serbian, the novel has been translated into many languages. It was first published in English by Knopf, New York in 1988.
The novel takes the form of three cross-referenced mini-encyclopedias, sometimes contradicting each other, each compiled from the sources of one of the major Abrahamic religions (Christianity, Islam, and Judaism).
More information on the Wikipedia page .
Details of the differences between the two versions can be found here.