Matthew Hart is the award-winning author of the book Diamond: The History of a Cold-Blooded Love Affair— which was translated into six languages and made into a four-hour dramatic miniseries starring Sir Derek Jacobi and Judy Davis—and the book Gold: The Race for the World's Most Seductive Metal, which was adapted into a National Geographic TV special. He has traveled from the Arctic to Angola in pursuit of diamond stories, which inspired his first thriller, The Russian Pink, also available from Pegasus Books. He lives in New York City.