GeminiTournier's novel is a love story that uses the theme of twinship to explore a near infinity of dualities. Jean and Paul are identical twins. Outsiders, even their parents, cannot tell them apart, and call them Jean Paul. The mysterious bond between them excludes all others; they speak their own language; they are one perfectly harmonious unit; they are, in all innocence, lovers. For Paul, this unity is paradise, but as they grow up Jean rebels against