• Retailers Choice Award, Youth/Teen category, finalist for Heart of Courage, 2006.
• C. S. Lewis Medal for Notable Books for The Swindler's Treasure, 1997, and Midnight Rescue, 1997.
• Five Silver Angel Awards from Excellence in Media for The Disappearing Stranger, 1991, Trouble at Wild River, 1992, The Runaway Clown, 1994; Disaster on Windy Hill, 1995; Escape into the Night, 1996.
• C. S. Lewis Honor Book, Silver Medal for Escape into the Night, 1996.
• Award of Merit from Excellence in Media for Grandpa's Stolen Treasure, 1993.
• Council for Wisconsin Writers, Arthur Tofte Juvenile Book Award for Trouble at Wild River, 1992.
• Wisconsin State Historical Society Award of Merit for Distinguished Service to History for Adventures of the Northwoods Series, 1991.
• Gold Medallion Book Award for all four books in the Let's-Talk-About-It Stories for Kids Series, 1989.
• C. S. Lewis Medal for Best Series Published in 1988, given to same four books in Let's-Talk-About-It Stories for Kids Series, 1989.
• Distinguished Alumni Citation for Distinguished Service and Significant Attainment in the Field of Christian Literature, Gustavus Adolphus College, 1983.
• Dwight L. Moody Award for Excellence in Christian Literature, Decision Magazine, 1969. [1]

Viking Quest Series

1. Raiders From the Sea (2003)
2. Mystery of the Silver Coins (2003)
3. The Invisible Friend (2004)
4. Heart of Courage (2005)
5. The Raider's Promise (2006)

Adventures of the Northwoods Series

1. The Disappearing Stranger (1990)
2. The Hidden Message (1990)
3. The Creeping Shadows (1990)
4. The Vanishing Footprints (1991)
5. Trouble at Wild River (1991)
6. The Mysterious Hideaway (1992)
7. Grandpa's Stolen Treasure (1992)
8. The Runaway Clown (1994)
9. The Mystery of the Missing Map (1994)
10. Disaster at Windy Hills (1994)

Riverboat Adventures Series

1. Escape into the Night (1995)
2. Race for Freedom (1996)
3. Midnight Rescue (1996)
4. The Swindler's Treasure (1997)
5. Mysterious Signal (1998)
6. The Fiddler's Secret (1998)

Let's Talk About it Series

• Thanks for Being My Friend!
• You're Worth More Than You Think
• You Are Wonderfully Made! (1988)
• Secrets of the Best Choice

Other titles

• Just a Minute, Lord (1973)
• Hello, God!: Prayers for small children (1975)
• You're My Best Friend, Lord (1976)
• Gift in My Arms: Thoughts for New Mothers (1977)
• Either Way I Win: God's Hope for Difficult Times (1979)
• Songs for silent moments: Prayers for daily living (1980)
• Falling Apart or Coming Together: How You Can Experience the Faithfulness of God (1984)
• Burnt Cookies (2004)