Airlock Growing Author:Scripture Union "Airlock" is a series of Bible reading guides, each containing three months of undated, themed Bible reading material. Continuing the "Airlock" method of covering whole books of the Bible over one or more issues, "Growing" continues looking at "Genesis", "Matthew" and "Isaiah", amongst others. "The Airlock" series is designed for individual use,... more » with pages containing items for group discussion.« less