Operation World announces free mobile app for Global Prayer Movement WESTMONT, IL—Operation World (OW), the ministry behind the definitive global prayer handbook, is pleased to announce the worldwide release of a new, free mobile app. Millions of Christians have used Operation World resources since the 1960s to pray for the nations, and in 2012, OW partnered with InterVarsity Press when IVP acquired Biblica Books, the original publisher of Operation World. Now in its 7th edition, the prayer handbook covers the…