John's book gives great insight into the life and thinking of a missionary who is committed to taking the gospel to some of the most resistant people groups on earth. Using short vignettes from his 30-year career as an international missionary, John illustrates his theme — that serving other people is a process of growth. Most chapters end with a succinct statement clearly showing what God has shown John about service in that particular time in his life. He also shows very clearly that following God's will doesn't mean that life is easy. In fact, it may be quite the opposite, but John affirms that any difficulty, any sacrifice is worth it because of the joy to be found in seeing God work.
I've known John since shortly after he and Janie arrived in Kenya to teach at the high school in Mombasa. The stories are true … if anything, he has understated what he has experienced. No matter what they faced, John and Janie courageously and faithfully served God and other people.