Two of the most salient excerpts from the review follow:
Chapter 1 hits the reader like a ton of bricks, spelling out in detail what American Christians could accomplish if they would tithe. If just the "committed Christians" (defined as those who attend church at least a few times a month or profess to be "strong" or "very strong" Christians) would tithe, there would be an extra 46 billion dollars a year available for kingdom work. To make that figure more concrete, the authors suggest dozens of different things that $46 billion would fund each year: for example, 150,000 new indigenous missionaries; 50,000 additional theological students in the developing world; 5 million more micro loans to poor entrepreneurs; the food, clothing and shelter for all 6,500,000 current refugees in Africa, Asia, and the Middle East; all the money for a global campaign to prevent and treat malaria; resources to sponsor 20 million needy children worldwide. Their conclusion is surely right: "Reasonably generous financial giving of ordinary American Christians would generate staggering amounts of money that could literally change the world."
In their concluding chapter, the authors summarize their findings. They think there are five primary reasons for the fact that "the wealthiest national body of Christian believers at any time in all of church history end up spending most of their money on themselves." The most important is our society's "institutionalized mass consumerism." The second is the failure of pastors to deal with the issue. The third is that many Christians seem to be confused about the meanings, expectations, and purposes of faithful Christian giving. Fourth, some have distrust about whether their donations will be used wisely. Finally, the near total privatization of the topic means that almost no American Christians discuss their giving with anyone else.