Life's Healing Choices Revised and Updated
2008
Arguing About Justice
2013
Your First Step to Celebrate Recovery, Updated
2025
Celebrate Recovery Leader's Guide, Revised and Updated
2025
Celebrate Recovery Volumes 1-4 Participant's Guide Updated Edition, The Journey Begins
2025
Celebrate Recovery Volumes 5-8 Participant's Guide Updated Edition, The Journey Continues
2025
Aerospace Engineering : A Very Short Introduction
2026
Dreamland Grusel, Ultimative Sammlung Volume 3 (ungekürzt)
2025
Influence on Purpose: 5 Principles for Leaders to Build Regenerative Cultures (Unabridged)
2025
Celebrate Recovery 365 Daily Devotional, 35th Anniversary Edition
2021
Dreamland Grusel, Folge 21: Der ewige Widersacher
2015
Dreamland Grusel, Folge 24: Die Rache der Todespuppe
2016