Sam Halliday is the author of the Leanpub book Functional Programming for Mortals with Scalaz. In this Q&A, which was conducted over email, Leanpub co-founder Len Epp talks with Sam about his background, his work, an amazing project to create educational materials in South Africa, the truth about what he thinks about open source, his book, and at the end, they talk a little bit about his experience as a self-published author.

The very brief audio of an introduction to the Q&A is here. You can subscribe to the Frontmatter podcast in iTunes or add the podcast URL directly.