Robert Greene, author of The 48 Laws of Power, has a degree in classical literature. He lives in Los Angeles. Visit his Web site: www.seductionbook.com Joost Elffers is the producer of Viking Studio's best- selling The Secret Language of Birthdays, The Secret Language of Relationships, as well as Play with Your Food. He lives in New York City

Robert Greene, author of The 48 Laws of Power, has a degree in classical literature. He lives in Los Angeles. Visit his Web site: www.seductionbook.com Joost Elffers is the producer of Viking Studio's best- selling The Secret Language of Birthdays, The Secret Language of Relationships, as well as Play with Your Food. He lives in New York City is a distinguished creator whose works have made significant contributions to the digital archive. Specializing in educational literature and scholarly research, this profile focuses on making global knowledge accessible to modern learners.