1. Going Steady: More Relationship Advice from Your Horse (Smashwords, 2019)
  2. Gold in the Hills: A Pictorial Essay of Historic Central City-Black Hawk (with …
  3. Golden Prophecies (Leisure Love Spell, 1995)
  4. Goldilocks and the Three Knocks (HarperCollins, 2022)
  5. Gone to Darkness (Sydney Parnell Series: Book 4, Thomas & Mercer, 2020)
  6. Good Friday Meditation [short non-fiction] (The Catholic Worker, n.d)
  7. Good Heart (Good Heart bk. 1)(2019)
  8. Gothic Opera: Hunting Season (CreateSpace, 2015)
  9. Gothic Opera: Nightmares Labyrinth (Authorhouse, 2012)
  10. Grammar Notebook: Book 1, Parts of Speech, Grades 9-12 (ECS Learning Systems, 2…
  11. Grammar Notebook: Book 2, Sentence Structure, Grades 9-12 (ECS Learning Systems…
  12. Grammar Notebook: Book 3, Punctuation, Capitalization, and Spelling, Grades 9-1…
  13. Grand Design (Zebra, 2001)
  14. Grantwriting: Don't Let It Scare You (CSBJ, December 22, 2000)
  15. Grave Consequences (Grand Tour Series: Book 2, David C. Cook, 2013)
  16. Greenwoman, Vols. 1-6 (Greenwoman Publishing, LLC, 2011-2014)
  17. Greetings from Australia: Pack-n-Go Girls Country Exploration Kit (WorldTrek Pu…
  18. Greetings from Austria: Pack-n-Go Girls County Exploration Kit (WorldTrek Publi…
  19. Greetings from Brazil: Pack-n-Go Girls Country Exploration Kit (WorldTrek Publi…
  20. Greetings from Mexico: Pack-n-Go Girls Country Exploration Kit (WorldTrek Publi…
  21. Greetings from Thailand: Pack-n-Go Girls Country Exploration Kit (WorldTrek Pub…
  22. Greypath (Elemental Press, 2018)
  23. Griffin Rising (Griffin Series: Book 1, Twilight Times Books, 2011)
  24. Griffin's Feather (Modern Mythology, Vol. 1, WordFire Press, 2017)
  25. Griffin's Fire (Griffin Series: Book 2, Twilight Times Books, 2012)
  26. Griffin's Storm (Griffin Series: Book 3, Copper Square Studios, 2012)
  27. Grizzelda Gorilla (as K. D. Huxman, Kittycat Books, 2007)
  28. Group's Dinner and a Movie (Group Publishing, 2005)
  29. Growing Pains: The Expansion of Academy School District Twenty (Mountain Expre…
  30. Guest blogger at Attachment and Trauma Network, Rebecca Bender Initiative, The …
  31. Guide Book of United States Currency (Whitman Pub., 1993-)
  32. Gunpowder Legacy (Zebra, 1994)
  33. Gunsmoke Justice (Zebra, 1989)
  34. Half Lives (Superluminal Velocity Books, 2016)
  35. Hallelujah Chorus (Unity Magazine, November/December 2014)
  36. Handbook of Ancient Greek and Roman Coins (Whitman Pub., 1994)
  37. Handbook of United States Coins (Editor Emeritus) (Whitman Pub., 1961-2022)
  38. Happenings (Games Afoot, LLC, 2021)
  39. Happy Ghoulidays II: More Holiday Horror Short Stories (Warrior Muse Press, 202…
  40. Happy Ghoulidays: A Collection of Holiday Horror Short Stories (Warrior Muse Pr…
  41. Happy Honeymoon, Deadly Diversions (Independently published, 2022)
  42. Hard Face Moon (Filter Press, 2008)
  43. HAUNTED: Can YOU be Scared...to Death? (A Click Your Poison Book, CreateSpace, …
  44. Having Lived (Kelsay Books, 2018)
  45. Hawaiian Coins, Tokens, and Paper Money (co-authored with Maurice Gould; Whitma…
  46. Heal Me (A Touched Trilogy: Book 2, Little Prince Publishing, 2013)
  47. Healer: Healer Book 1 (YA fiction, Vinspire Publishing, 2018)
  48. Hearts and Harvest (Barbour, 2009)
  49. Her Accidental Engagment (Harlequin Special Edition, 2014)
  50. Her Fake Fiancé (Dogwood Series: Book 8, Parker Hayden Media, 2020)