This Is Real and You Are Completely Unprepared: The Days of Awe as a Journey of Transformation the best book on spiritual preparation for the High Holy Days
Invisible Lines of Connection: Sacred Stories of the Ordinary (Kushner) there are so many beautiful stories in this book - one of my favorites.
Jewish Mysticism and the Spiritual Life: Classical Texts, Contemporary Reflections
God Was in This Place & I, i Did Not Know: Finding Self, Spirituality and Ultimate Meaning (Kushner)
The Book of Letters: A Mystical Hebrew Alphabet (Kushner) mystical stories that accompany each Hebrew letter --
Opening to You: Zen-Inspired Translations of the Psalms
The Book of Words: Talking Spiritual Life, Living Spiritual Talk (Kushner)
The Way into Jewish Mystical Tradition
What Does God Look Like? (2000)
The River of Light: Jewish Mystical Awareness
Sailing Home: Using Homer's Odyssey to Navigate Life's Perils and Pitfalls
Waiting to Unfold
Seek My Face: A Jewish Mystical Theology
Ehyeh: A Kabbalah for Tomorrow
The Essential Kabbalah: The Heart of Jewish Mysticism