This document provides background information for a book launch event in the United States. It begins with an acknowledgement of contributors to the book "Ile-Ife: The Source of Yoruba Civilization" written by Prince Adelegan Adegbola. The book argues that Ile-Ife was the original homeland and source of Yoruba civilization. The book launch event will be held in the United States in 2014 with the Royal Majesty Oba Okunade Sijuwade, the Ooni of Ife, as the guest of honor. Contact information is provided for inquiries about the book, author, publisher, and sponsorship opportunities. The document emphasizes the importance of understanding Yoruba history and institutions.