The ten-workshop series Spirit in Practice by Erik Walker Wikstrom is an excellent follow-up to Spirit of Life. Its workshops focus on specific practices that Unitarian Universalists can use to develop their spirituality.
Other Unitarian Universalist programs for spiritual growth include:
Thoreau as Spiritual Guide and Emerson as Spiritual Guide by Barry Andrews; Life Lines: Holding On and Letting Go and Lifecraft: The Art of Meaning in Everyday Life, both by Forrest Church (Beacon Press; Evensong for Families, Evensong: Volume 1 and Evensong: Volume 2, by Barbara Hamilton-Holway; Gatherings: Small Group Ministry for Men by Tony Bushman and Bill Hamilton-Holway; Parents as Spiritual Guides by Roberta and Christopher Nelson; and The Force of Spirit by Scott Russell Sanders and a discussion guide by Sophia Betancourt.
Thoreau as Spiritual Guide A Companion to Walden for Personal Reflection and Group Discussion
A fresh reading of Walden as a meditative companion, teaching tool and guide to personal growth. Discussion questions included for group or personal use.