Publication Reading Order
| # | Title | Year | Buy |
|---|---|---|---|
| 1 | Catnap / Cat in an Alphabet Soup ( By: Carole Nelson Douglas) | 1992 | Buy from Amazon |
| 2 | Pussyfoot / Cat in an Aqua Storm ( By: Carole Nelson Douglas) | 1993 | Buy from Amazon |
| 3 | Cat On A Blue Monday ( By: Carole Nelson Douglas) | 1994 | Buy from Amazon |
| 4 | Cat in a Crimson Haze ( By: Carole Nelson Douglas) | 1995 | Buy from Amazon |
| 5 | Cat in a Diamond Dazzle ( By: Carole Nelson Douglas) | 1996 | Buy from Amazon |
| 6 | Cat with an Emerald Eye ( By: Carole Nelson Douglas) | 1997 | Buy from Amazon |
| 7 | Cat in a Flamingo Fedora ( By: Carole Nelson Douglas) | 1997 | Buy from Amazon |
| 8 | Cat in a Golden Garland ( By: Carole Nelson Douglas) | 1997 | Buy from Amazon |
| 9 | Cat on a Hyacinth Hunt ( By: Carole Nelson Douglas) | 1998 | Buy from Amazon |
| 10 | Midnight Louie's Pet Detectives ( With: J.A. Jance, Carole Nelson Douglas, Nancy Pickard, Toni L.P. Kelner, Walter J. Stutzman) | 1998 | Buy from Amazon |
| 11 | Cat in an Indigo Mood ( By: Carole Nelson Douglas) | 1999 | Buy from Amazon |
| 12 | Cat in a Jeweled Jumpsuit ( By: Carole Nelson Douglas) | 1999 | Buy from Amazon |
| 13 | Cat in a Kiwi Con ( By: Carole Nelson Douglas) | 2000 | Buy from Amazon |
| 14 | Cat in a Leopard Spot ( By: Carole Nelson Douglas) | 2001 | Buy from Amazon |
| 15 | Cat in a Midnight Choir ( By: Carole Nelson Douglas) | 2002 | Buy from Amazon |
| 16 | Cat in a Neon Nightmare ( By: Carole Nelson Douglas) | 2003 | Buy from Amazon |
| 17 | Midnight Louie In Something Fishy ( By: Carole Nelson Douglas) | 2003 | Buy from Amazon |
| 18 | Cat in an Orange Twist ( By: Carole Nelson Douglas) | 2004 | Buy from Amazon |
| 19 | Cat in a Hot Pink Pursuit ( By: Carole Nelson Douglas) | 2005 | Buy from Amazon |
| 20 | Cat in a Quicksilver Caper ( By: Carole Nelson Douglas) | 2006 | Buy from Amazon |
| 21 | Cat in a Red Hot Rage ( By: Carole Nelson Douglas) | 2007 | Buy from Amazon |
| 22 | Cat in a Sapphire Slipper ( By: Carole Nelson Douglas) | 2008 | Buy from Amazon |
| 23 | Cat in a Topaz Tango ( By: Carole Nelson Douglas) | 2009 | Buy from Amazon |
| 24 | Cat in an Ultramarine Scheme ( By: Carole Nelson Douglas) | 2010 | Buy from Amazon |
| 25 | Cat in a Vegas Gold Vendetta ( By: Carole Nelson Douglas) | 2011 | Buy from Amazon |
| 26 | Fruit of the Tomb (Short Story) ( By: Carole Nelson Douglas) | 2012 | Buy from Amazon |
| 27 | Cat in a White Tie and Tails ( By: Carole Nelson Douglas) | 2012 | Buy from Amazon |
| 28 | Cat in an Alien X-Ray ( By: Carole Nelson Douglas) | 2013 | Buy from Amazon |
| 29 | Cat in a Yellow Spotlight ( By: Carole Nelson Douglas) | 2014 | Buy from Amazon |
| 30 | Cat in a Zebra Zoot Suit ( By: Carole Nelson Douglas) | 2015 | Buy from Amazon |
| 31 | Cat in an Alphabet Endgame ( By: Carole Nelson Douglas) | 2016 | Buy from Amazon |
More series by Lilian Jackson Braun