''In brief'': {{summary | text=Operation World is a reference book designed to be a [[prayer ]] guide to the nations, peoples and cities of the [[world]]. It contains demographic information on every country from a Christian perspective and is "packed with informative and inspiring fuel for prayer".}}
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'''Overviews'''* [[About Operation World]]'''Reviews / opinions'''* [[Comments about Operation World]]'''Quotes'''* [[Quotes from Operation World]]* [[Quotes about Operation World]]'''External {{links'''}}
* [http://www.gmi.org/ow/index.html Operation World Official Site]