Since the early 1950’s data has been collected on North American mission organizations. In the early years it was a simple directory of agencies and over the decades the publication grew to a handbook with over 600 pages. The publication has gone through many changes over the decades as it has been published every 3-5 years. Missio Nexus published the last print copy in 2016 as the 22nd Edition of the North American Mission Handbook. The book recorded data on over 900 mission organization across the United States and Canada.