Deb Kastner Books in Order

Where to Start Reading Deb Kastner

With over 50 inspirational romance novels to her name, diving into Deb Kastner's catalog can feel overwhelming. Fortunately, her books are written to be highly accessible. If you want the absolute best entry point, you have two primary options depending on your preference for series style:

• For Solo Series: Start with Yuletide Baby, the first book in her popular Cowboy Country series. This is Kastner's signature standalone-rich series, full of rugged heroes, small-town charm, and themes of second chances.
• For Multi-Author Series: Begin with Their Unbreakable Bond. This is the first book in the massive, multi-author K-9 Companions series, which Kastner helped kick off, highlighting the powerful bond between rescue dogs and people seeking healing.

Most of Kastner's books are designed as standalones within their respective universes, meaning you can jump in almost anywhere without losing the plot. However, reading them in publication order ensures you catch the subtle character crossovers and recurring small-town settings.

Deb Kastner's Core Solo Series

These series are written entirely by Deb Kastner, allowing you to experience her world-building and character progression at their best.

Cowboy Country Series

Set against the backdrop of rural towns, this series is the epitome of Kastner's style, blending cowboy culture with deep family values and romance. While each story stands alone, reading them in order lets you appreciate the community's evolution.

1. Yuletide Baby (2014)
2. The Cowboy's Forever Family (2015)
3. The Cowboy's Surprise Baby (2015)
4. The Cowboy's Twins (2016)
5. Mistletoe Daddy (2016)
6. The Cowboy's Baby Blessing (2017)
7. And Cowboy Makes Three (2018)
8. A Christmas Baby for the Cowboy (2018)
9. Her Forgotten Cowboy (2019)

E-mail Order Brides Series

A fun and modern spin on the traditional mail-order bride trope, this series follows couples finding unexpected love through digital matchmaking. It is a sweet, lighthearted collection of romances.

1. Phoebe's Groom (2011)
2. The Doctor's Secret Son (2011)
3. The Nanny's Twin Blessings (2012)
4. Meeting Mr. Right (2013)

Rocky Mountain Family Series

Inspired by the stunning landscapes of Kastner's home state of Colorado, these books focus on families finding healing, forgiveness, and new beginnings in the mountains.

1. The Black Sheep's Salvation (2020)
2. Opening Her Heart (2020)
3. The Marine's Mission (2021)

Serendipity Sweethearts Series

This charming trilogy explores fate, faith, and second chances in the small town of Serendipity, featuring heroes who are redemptive and protective.

1. The Soldier's Sweetheart (2013)
2. Her Valentine Sheriff (2013)
3. Redeeming the Rancher (2014)

Multi-Author Collaborations and Continuity Series

Kastner is a frequent contributor to Harlequin's Love Inspired continuity series. In these projects, multiple authors write standalone books set in a shared universe, often sharing a overarching theme or town.

K-9 Companions Series

Centered on service dogs and their owners, this series is written by several authors. Kastner wrote the first book, Their Unbreakable Bond (2021), and the eighth book in this list, A Reason to Stay (2022). You can read her contributions individually or follow the complete series order below:

1. Their Unbreakable Bond (2021) [Written by Deb Kastner]
2. Finding Her Way Back (2022)
3. The Veteran's Vow (2022)
4. Her Easter Prayer (2022)
5. Earning Her Trust (2022)
6. Guarding His Secret (2022)
7. An Unlikely Alliance (2022)
8. A Reason to Stay (2022) [Written by Deb Kastner]
9. The Veteran's Holiday Home (2022)
10. An Alaskan Christmas Promise (2022)
11. A Steadfast Companion (2023)
12. A Friend to Trust (2023)
13. Her Alaskan Companion (2023)
14. A Companion for Christmas (2023)
15. Their Inseparable Bond (2024)
16. Bonding with the Babies (2024) [Written by Deb Kastner]
17. Her Son's Faithful Companion (2024)
18. Training the K-9 Companion (2024)
19. A Companion for His Son (2024)
20. Her Loyal Companion (2024)
21. A K-9 Christmas Reunion (2024)
22. His Christmas Salvation (2024)
23. Guarding Her Christmas Secret (2024)
24. A Faithful Guardian (2024)
25. The Veteran's Valentine Helper (2025)

Lone Star Cowboy League Series

Set in Texas, this series focuses on members of a ranching community league. Kastner wrote A Daddy for Her Triplets (2016), which serves as the fifth book in the original run. The series order includes:

1. A Doctor for the Nanny (2015)
2. A Ranger for the Holidays (2015)
3. A Family for the Soldier (2015)
4. A Daddy for Her Triplets (2016) [Written by Deb Kastner]

Lone Star Cowboy League: Boys Ranch Books

A spin-off of the Lone Star Cowboy League, this series centers on a boys' ranch and the people who keep it running. Kastner contributed the fifth book, The Doctor's Texas Baby (2017).

1. The Rancher's Texas Match (2016)
2. The Ranger's Texas Proposal (2016)
3. The Nanny's Texas Christmas (2016)
4. The Cowboy's Texas Family (2017)
5. The Doctor's Texas Baby (2017) [Written by Deb Kastner]
6. The Rancher's Texas Twins (2017)

Safe Harbor Books

A classic multi-author miniseries about finding shelter and love in a cozy harbor town. Kastner wrote the third book, Hart's Harbor (2003).

1. The Harbor Of His Arms (2003)
2. Inner Harbor (2003)
3. Hart's Harbor (2003) [Written by Deb Kastner]
4. Home to Safe Harbor (2003)

Ever After Books

One of the earliest Love Inspired multi-author collections Kastner participated in. Her contribution is the beloved Black Hills Bride (2000).

1. Ever Faithful (1998)
2. To Love And Honor (1998)
3. In God's Own Time (1998)
4. Wedding at Wildwood (1998)
5. Black Hills Bride (2000) [Written by Deb Kastner]
6. His Brother's Wife (2005)

Christmas Twins Books

A festive three-book holiday series. Kastner wrote the final installment, Texas Christmas Twins (2017).

1. Amish Christmas Twins (2017)
2. Secret Christmas Twins (2017)
3. Texas Christmas Twins (2017) [Written by Deb Kastner]

A Cowboy for Every Mood Books

This is a publisher-curated promotional series grouping popular contemporary western romances under a unified banner. Because they are individual books packaged together for marketing rather than a unified narrative, they can be read in any order. Deb Kastner's Phoebe's Groom (also part of the E-mail Order Brides series) is featured here. The overall order of books in this marketing collection includes:

• One Night, Two Heirs (2011)
• How to Lasso a Cowboy (2011)
• The Texan and the Cowgirl (2011)
• Second Chance Family (2011)
• A Family for the Rugged Rancher (2011)
• Rustled (2011)
• By Order of the Prince (2011)
• Her Cowboy Daddy (2011)
• Cowboy Fever (2011)
• The Bull Rider's Secret (2011)
• The Nanny's Homecoming (2011)
• Calico Bride (2011)
• Phoebe's Groom (2011) [Written by Deb Kastner]
• His Texas Baby (2012)
• His Marriage to Remember (2012)
• The Rancher's Hired Fiancée (2012)
• Colton: Rodeo Cowboy (2012)
• Rodeo Daughter (2012)
• No Ordinary Joe (2012)
• Renegade Most Wanted (2012)
• The Rancher's Housekeeper (2012)
• The Spy Wore Spurs (2012)
• The Reluctant Heiress (2012)
• High Noon (2012)
• Gage (2012)

Deb Kastner's Standalone Novels

For readers who prefer a complete, self-contained story without any ties to larger universes or multi-author worlds, Kastner's standalones are perfect options. They span the early years of her career to the mid-2010s, maintaining her classic focus on faith and romance.

1. A Holiday Prayer (1998)
2. Daddy's Home (1999)
3. Black Hills Bride (2000)
4. The Forgiving Heart (2000)
5. A Daddy At Heart (2001)
6. A Perfect Match (2002)
7. The Christmas Groom (2002)
8. Undercover Blessings (2005)
9. The Heart Of A Man (2006)
10. A Wedding in Wyoming (2009)
11. His Texas Bride (2010)
12. The Marine's Baby (2010)
13. A Colorado Match (2011)

What to Know Before You Start

Deb Kastner's novels fall squarely into the contemporary Christian romance and western romance categories. Her stories are published primarily through Harlequin's Love Inspired line, which guarantees sweet, clean, and faith-centered storylines. Common elements you will find across her books include small-town settings, rugged but gentle cowboys, strong-willed heroines, and highly active animal companions (especially service dogs and rescue animals). Since the books focus heavily on hope, family reconciliation, and starting over, they offer a comforting and uplifting read every time.