The book Conversational Evangelism, by Dr. David Geisler and Dr. Norman Geisler, is the main text book on evangelism used by NGIM staff around the world. It has been translated into six languages. As of April 2018, the electronic version of this book translated into Simplified Chinese Text is available for free download!
大卫·盖斯勒(David Geisler)博士和诺曼·盖斯勒(Norman Geisler)博士撰写的《对话式传福音》是全球NGIM员工使用的主要传福音书籍。它已被翻译成六种语言。从2018年4月起,可免费下载翻译成简体中文文本的电子版本。