Gamble explains that this does not support the idea that there was one original collection of Paul’s letters, but rather means there would have been many independent collections that might have formed between local churches. Gamble also explains how scholars have pushed back against the exchange theory, arguing that Paul’s letters would not have been particularly meaningful to churches to which a specific letter was not addressed, since Paul often addressed local issues in the communities to which he was writing (p. 346). A counter argument to this criticism might be that early Christians looked past the local details of each letter and derived deeper theological points from Paul’s letters, prompting them to share the letters with other communities; however, the chapter does not say anything about this. Many of the other theories discussed in this chapter are really interesting, but I partially agree with Gamble that many stretch too far with sufficient evidence. I really liked the theory Gamble discusses from