A glittering, bold, darkly funny novel about two sisters--one in New York, one in Singapore--who are bound by an ancient secret Sisterhood is difficult for Su and Emerald. Su leads a sheltered, moneyed life as the picture-perfect wife of a conservative politician in Singapore. Emerald is a nihilistic sugar baby in New York, living from whim to whim and using her charms to make ends meet. But they share a secret: once, they...