Missionaries who attempt to engage unreached people groups in dangerous places are often overwhelmed by stress and return home with their families and ministries in shambles. In his book, Effective Kingdom Service in Hostile Places, available at https://www.amazon.com/Effective-Kingdom-Service-Hostile-Places-ebook/dp/B08KWV4P9J/, Dr. Burke addresses the unique training and support needs that help missionaries develop the Godly resilience they need to serve in the most hazardous places.