Prodigal Project (with Daniel Hart)
1. Genesis (2003)
2. Exodus (2003)
3. Numbers (2003)
4. Kings (2004)
The Prodigal Project Collection (omnibus) (2009)

Justice Riders (with Tim Grayem, Aaron Norris and Chuck Norris)
1. The Justice Riders (2005)
2. A Threat to Justice (2007)

Don't Bite the Apple 'til You Check for Worms (1985)
Designer Genes (1986)
Ken Abraham's Hot Trax: Devotions for Girls (1987)
God Keeps His Promises (1987)
Promises of the Messiah (1987)
Positive Holiness (1988)
Unmasking the Myths of Marriage (1990)
Armed and Dangerous (1991)
The Disillusioned Christian (1991)
This Isn't the Trip I Signed Up for (1991)
Beauty to Last a Lifetime (1992)
The Gamer (1993)
In Focus (1993) (with Kim Boyce)
Stand Up and Fight Back (1993)
The Hosanna Bible (1993)
In Process (1994) (with Kim Boyce)
Who Are the Promise Keepers? (1994)
Finding Heaven in the Real World (1994)
Zinger (1995) (with Paul Azinger)
Bringing Out the Winner in Your Child (1996) (with John Croyle)
Praise and Worship (1996) (with Angela Abraham)
A Treasury of Wisdom (1996) (with Angela Abraham)
Vestal! (1998) (with Vestal Goodman)
Dr. Robert Schuller's Possibility Thinkers Bible Storybook (1999)
Coming Clean (1999) (with Jorge L Valdes)
Fairways: Inspiration for the Golf Enthusiast (1999)
Jesus Loves Me Devotional (1999)
Dear God, Thank You for Friends (2000)
Dear God, Thanks for Making Me Special! (2000)
Payne Stewart (2000) (with Tracey Stewart)
Dear God, It's Me Again (2000)
Jesus Loves Me Bible Storybook (2001)
Racing to Win (2001) (with Joe Gibbs)
Let's Roll!: Ordinary People, Extraordinary Courage (2002) (with Lisa Beamer)
The Right Thing (2002) (with Scott Waddle)
Dear God, Do You Really See Everything? (2003)
On Wings Like Eagles (2003)
It's More Than the Music (2003) (with Bill Gaither)
Against All Odds (2004) (with Chuck Norris)
Falling in Love for All the Right Reasons (2005) (with Neil Clark Warren)
777 Great Clean Jokes (2006)
God in My Corner: A Spiritual Memoir (2007) (with George Foreman)
Billy (2008) (with William Paul McKay)
Magnificent Desolation: The Long Journey Home from the Moon (2009) (with Buzz Aldrin)
Why Not You, Why Not Now (2011) (with Brig Hart)
A Father's Love (2011)