"Radical: Taking Back Your Faith from the American Dream" is a book by David Platt that challenges readers to reconsider their understanding of faith and its relationship to the American Dream. Platt argues that the pursuit of material success and comfort can distract Christians from their true calling to follow Jesus and serve others. In the book, Platt encourages believers to embrace a radical lifestyle that prioritizes spiritual growth and community service over personal gain. He emphasizes the importance of living out one's faith authentically and making sacrifices for the sake of the Gospel, urging readers to take action in their local and global communities.