While it contains some good information, Platt seems to be saying that Christians MUST do overseas missions to be a "real" Christian. Are some called to go overseas? Yes. Are some called for other work? Yes. I don't think it was his intention, but based on what Platt says in his book, he seems to believe only the overseas work matters. If that is correct, he is wrong. Consider Paul's journeys in Acts. While traveling, he stayed with believers in various cities. Under Platt's model, there would be no one in those cities to exercise the spiritual gift of hospitality. There would be no one in church A to donate to those in need in another city.
What about the single parent? What about someone with severe disabilities? What about the believer who is homeless? Must they all go overseas? I don't think so. All can (and should) pray for those spreading the Gospel. Any other work they do should be based on the spiritual gifts bestowed upon them. While they can exercise radical faith, such faith may be in their local church, with a small group, in their family, their community, etc.
In my review, I indicate I would recommend this to a friend. That is with a caveat that reflects my review. Platt has many good things to say, but his fundamental premise as it seems to be presented in the book is flawed.
This book has opened my eyes to the places in my life that I didn't realize were keeping me from furthering God's Will. I have since changed the way I live life, spend money, give money, and God has shown me that He is with me every step of the way. Thank you for selling this book. A life changer, and for that I am grateful.