1. Tick-Tock (Parlor Tricks Mystery: Book 5, NovaLynn Press LLC, 2023)
  2. Time and Eternity (Cross Family Chronicles Book 6)
  3. Time Spinners: In the Beginning (CreateSpace, 2018)
  4. Timescape (Dreamhouse Kings: Book 4, Thomas Nelson, 2009)
  5. To Be Announced 1 (2024)
  6. To Be Announced 1 (2025)
  7. To Be Announced 2 (2024)
  8. To Be Announced 2 (2025)
  9. To Die in Tuscany (Poisoned Pen Press, 2021)
  10. To Hell in a Handbasket (Five Star, 2009)
  11. To Hell in a Handbasket (Midnight Ink, 2012)
  12. To Hell in a Handbasket (Speaking Volumes, 2021)
  13. To My Beloved Richie (2017)
  14. To Skin a Wolf (Here Witchy Witchy: Book 4, Independently published, 2023)
  15. To Starve an Ember: A Novel (High Plains Wordsmith LLC, 2021)
  16. Tombstone Lode (Zebra, 1986)
  17. Torchlight (Full Circle Series: Book 2, WaterBrook Press, 2001)
  18. Torrent (River of Time Series: Book 3, David C. Cook, 2011)
  19. Toska (Dark World Saga,‎ Independently published, 2019)
  20. Tossed: A Snack-Sized Mystery Cruise, Jmars Ink, November 2023
  21. Touring Colorado Hot Springs, (2nd), Globe Pequot - April 17, 2012
  22. Touring Colorado Hot Springs, (3rd), Globe Pequot - May 30, 2018
  23. Trail Mix: Bite Sized, Mostly True Stories from the Wilderness, Featuring Those…
  24. Trails to the Top: 50 Colorado Front Range Mountain Hikes (co-authored with Sus…
  25. Trails to the Top: 50 Colorado Front Range Mountain Hikes, Globe Pequot - June …
  26. Transcendence of the Imminent (Mercer University Law Review, 1980)
  27. Transcendence, Book Two of The Narrator Cycle (Ian Patterson, 2025)
  28. Transference, Book One of The Narrator Cycle (Ian Patterson, 2024)
  29. Treachery Town (Zebra, 1987)
  30. Treasure (Full Circle Series: Book 4, WaterBrook Press, 2001)
  31. Tremors of Doubt (Elk Lake Publishing, Inc., 2018)
  32. Tressed to Kill (writing as Lila Dare)(Berkley Prime Crime,2010)
  33. Trips on Twos: 15 Walking Tours of Colorado Springs (The Author, 1978)
  34. Trips on Twos: 15 Walking Tours of the Pikes Peak Region (L. & K. Bergstrom, 19…
  35. Trips on Wheels: 15 Driving Tours from the Front Range (Graphic Services, 1985)
  36. Trouble on the Tracks (Ruby and Maude Adventure)(Filter Press, 2014)
  37. Trouble Returns (Ruby and Maude Adventure)(Filter Press, 2016)
  38. True Blue Los Angeles Baseball: Sports Timeline of the Los Angeles Dodgers (201…
  39. Trust in Me
  40. Truth Lies Six Foot Under: A True Cold-Case Mystery (Blue Harmony Press, 2013)
  41. Try Me (Demon Underground series #2)(Bell Bridge Books, 2010)
  42. Tucked Away (Hearts of Montana series, bk.1)(Entagled, 2015)
  43. Tunguska Event (Matterhorn the Brave Series #7)
  44. Twice Upon a Name: Tales of Mix-ups and Mistaken Identities (Bronzewood Books, …
  45. Twice Upon a Story: Triptych of Two Worlds (Kindle Direct Publishing, March 202…
  46. Twinkle, Twinkle Little Girl (Mother's House Pub., 2005)
  47. Twisted Roots: A Light Into the Darkness (Tate Publishing, 2012)
  48. Twisted Roots: Legacy (Tate Publishing, 2016)
  49. Twisted Roots: The Lost Scrolls (Tate Publishing, 2014)
  50. Two Decades of Digital Photography: My Favorite Images and How They Were Made (…