Keifert, P.R. 2022. Olsen, Steen, Jacob’s Ladder: Missional Church in the 1970s: St. Marys, Australia: SA & RL Olsen, 2020. ISBN-13: 978-06-4899-680-4. Ecclesial Futures. 3, 1 (May 2022), 125–127. DOI:https://doi.org/10.54195/ef12159.