Books which he has authored or made a contribution to include:
- Boundaries: when to say yes, when to say no to take control of your life (with John Townsend) (Zondervan, 1992) - ISBN 9780310585909
- Boundaries: When to Say Yes, When to Say No to Take Control of Your Life (with John Townsend) (Zondervan, February 2002) ISBN 0310247454 ISBN 9780310247456; Paperback, 304 pages
- Boundaries With Kids: When to Say Yes, When to Say No to Help Your Children Gain Control of Their Lives (with John Townsend) (Zondervan, October 2001) ISBN 0310243157 ISBN 9780310243151; Paperback
- Changes That Heal: How to Understand Your Past to Ensure a Healthier Future (Zondervan, 2003) - ISBN 0310606314; ISBN 978-0310606314; Paperback, 272 pages
- God Will Make a Way: What to Do When You Don't Know What to Do (with John Townsend) (Integrity Pub, May 2006) ISBN 1591454298 ISBN 9781591454298; Paperback, 307 pages
- 9 Things a Leader Must Do: How to Go to the Next Level...And Take Others With You (Integrity Pub, November 2006) ISBN 1591454840 ISBN 9781591454847; Hardcover, 128 pages
- Integrity: The Courage to Meet the Demands of Reality (Collins Business, 2006) ISBN 0060849681 ISBN 978-0060849689; Hardcover, 292 pages