SPECIAL - NEW PRICE!! This 7th edition is subtitled "The Definitive Prayer Guide to Every Nation", and Operation World has certainly become the must-have resource for mission prayer groups. Designed as a daily devotional, the book allows you to pray through the entire world in a year. Each entry offers information on the geography, people groups, economy, politics, and religions of each country, as well as prayer requests and praises. It is a powerful tool for prayer.