1. The Original Adventures of Hank the Cowdog (1983)
2. The Further Adventures of Hank the Cowdog (1983)
3. It's a Dog's Life (1984)
4. Murder in the Middle Pasture (1984)
5. Faded Love (1985)
6. Let Sleeping Dogs Lie (1986)
7. The Curse of the Incredible Priceless Corncob (1986)
8. The Case of the One-Eyed Killer Stud Horse (1987)
9. The Case of the Halloween Ghost (1987)
10. Every Dog Has His Day (1988)
11. Lost in the Dark Unchanted Forest (1988)
12. The Case of the Fiddle Playing Fox (1989)
13. The Wounded Buzzard on Christmas Eve (1989)
14. Hank the Cowdog and Monkey Business (1990)
15. The Case of the Missing Cat (1990)
16. Lost in the Blinded Blizzard (1991)
17. The Case of the Car-Barkaholic Dog (1991)
18. The Case of the Hooking Bull (1992)
19. The Case of the Midnight Rustler (1992)
20. The Phantom in the Mirror (1993)
21. The Case of the Vampire Cat (1993)
22. The Case of the Double Bumblebee Sting (1994)
23. Moonlight Madness (1994)
24. The Case of the Black-Hooded Hangmans (1995)
25. The Case of the Swirling Killer Tornado (1995)
26. The Case of the Kidnapped Collie (1996)
27. The Case of the Night-Stalking Bone Monster (1996)
28. The Mopwater Files (1997)
29. The Case of the Vampire Vacuum Sweeper (1997)
30. The Case of the Haystack Kitties (1998)
31. The Case of the Vanishing Fishhook (1998)
32. The Garbage Monster from Outer Space (1999)
33. The Case of the Measled Cowboy (1999)
34. Slim's Good-bye (2000)
35. The Case of the Saddle House Robbery (2000)
36. The Case of the Raging Rottweiler (2000)
37. The Case of the Deadly Ha-Ha Game (2001)
38. The Fling (2001)
39. The Secret Laundry Monster Files (2002)
40. The Case of the Missing Bird Dog (2002)^[9]
41. The Case of the Shipwrecked Tree (2003)
42. The Case of the Burrowing Robot (2003)
43. The Case of the Twisted Kitty (2004)
44. The Dungeon of Doom (2004)
45. The Case of the Falling Sky (2005)
46. The Case of the Tricky Trap (2005)
47. The Case of the Tender Cheeping Chickies (2006)
48. The Case of the Monkey Burglar (2006)
49. The Case of the Booby-Trapped Pickup (2007)
50. The Case of the Most Ancient Bone (2007)
51. The Case of the Blazing Sky (2008)
52. The Quest for the Great White Quail (2008)
53. Drover's Secret Life (2009)
54. The Case of the Dinosaur Birds (2009)
55. The Case of the Secret Weapon (2010)
56. The Case of the Coyote Invasion (2010)
57. The Disappearance of Drover (2011)
58. The Case of the Mysterious Voice (2011)
59. The Case of the Perfect Dog (2012)
60. The Big Question (2012)
61. The Case of the Prowling Bear (2013)
62. The Ghost of Rabbits Past (2013)
63. The Return of The Charlie Monsters (2014)
64. The Case of the Three Rings (2014)
65. The Almost Last Roundup (2015)
66. The Christmas Turkey Disaster (2015)
67. Wagons West (2016)
68. The Secret Pledge (2016)
69. The Case of the Wandering Goats (2017)
70. The Case of the Troublesome Lady (2017)
71. The Case of the Monster Fire (2018)
72. The Case of the Three-Toed Tree Sloth (2018)
73. The Case of the Buried Deer (2019)
74. The Frozen Rodeo (2020)

#A1-#A7 these books were only ever made as audiobook

1. The Homeless Pooch (2004)
2. The Watermelon Patch Mystery (2005)
3. The Kitty Cheater (2006)
4. The Runaway Windmill (2007)
5. The Cookie Moon (2008)
6. The Dancing Cowboy (2009)
7. The Valentine's Day Robbery (2010)

ISBN 9780877193210

ASIN ‏ : ‎ B07XLZYGCF