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      Kathleen O'Brien Books in Order

      Contemporary Romance · 53 books · 7 series
      Latest Release Shadows Over Aberystwyth March 2026 · Jump to book

      All Kathleen O'Brien Books in Publication Order

      53 books

      Complete Kathleen O'Brien bibliography in publication order. Prefer series order? Browse books by series.

      Title
      Date
      Rating
      Winter Baby
      Oct 2001
      The Saint
      Oct 2004
      The Sinner
      Jan 2005
      Texas Baby
      Sep 2007
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      Browse Kathleen O'Brien Books by Series

      Kathleen O'Brien books can be explored by series or read in publication order above. Series are listed with their books in reading order.

      Cowboy Country

      1. Texas Baby Sep 2007
      2. For the Love of Family Sep 2009
      3. Texas Wedding Jul 2009
      4. Texas Trouble Apr 2010

      Four Seasons in Firefly Glen

      1. Winter Baby Oct 2001
      2. Babes in Arms Mar 2002
      3. The Redemption of Matthew Quinn Oct 2002
      4. The One Safe Place Aug 2003
      5. Quiet As The Grave Mar 2006

      The Heroes of Heyday

      1. The Saint Oct 2004
      2. The Sinner Jan 2005
      3. The Stranger Apr 2005

      The Malones

      1. For the Love of Family Sep 2009
      2. The Cost of Silence Nov 2011
      3. The Vineyard of Hopes and Dreams Feb 2012

      The Sisters of Bell River Ranch

      1. Wild for the Sheriff Feb 2013
      2. Betting on the Cowboy Jul 2013
      3. The Ranch She Left Behind Dec 2013
      4. The Secrets of Bell River May 2014
      5. Reclaiming the Cowboy Oct 2014
      6. The Rancher's Dream May 2015

      World of Love

      1. Where We've Been Oct 2018

      Multi-Author Series

      9 Months Later

      1. For Their Baby Oct 2011

      A Little Secret

      1. Christmas In Hawthorn Bay Nov 2006

      Amalfi Night Billionaires

      1. The Billionaire's Heart Sep 2015

      Cowboy Country

      1. Texas Wedding Jul 2009

      From Here to Paternity

      1. The Daddy Deal Jul 1997

      Home on the Ranch

      1. Texas Trouble Apr 2010

      Hometown U.S.A.

      1. The Cost of Silence Nov 2011

      Montana Born Homecoming

      1. The Long Way Home Jan 2015

      Nine to Five

      1. Mistletoe Man Dec 1996

      Royal Holiday

      1. His Defiant Princess Apr 2015

      Secret Fantasies

      1. Memory Lapse Jan 1995

      The Birth Place

      1. The Homecoming Baby Jan 2004

      The Diamond Legacy

      1. For the Love of Family Sep 2009

      The Great Wedding Giveaway

      1. The Substitute Bride May 2014

      The Millionaires

      1. A Self-Made Man Feb 2001

      Together Again

      1. The Vineyard of Hopes and Dreams Feb 2012

      Twins

      1. The Real Father Jul 2000

      All Kathleen O'Brien Series

      Browse Kathleen O'Brien series, including author series, multi-author series, and publisher series.

      Kathleen O'Brien Series

      Cowboy Country 4 books Four Seasons in Firefly Glen 5 books The Heroes of Heyday 3 books The Malones 3 books The Sisters of Bell River Ranch 6 books World of Love 1 book

      Multi-Author Series

      9 Months Later 1 book A Little Secret 1 book Amalfi Night Billionaires 1 book Cowboy Country 1 book From Here to Paternity 1 book Home on the Ranch 1 book Hometown U.S.A. 1 book Montana Born Homecoming 1 book Nine to Five 1 book Royal Holiday 1 book Secret Fantasies 1 book The Birth Place 1 book The Diamond Legacy 1 book The Great Wedding Giveaway 1 book The Millionaires 1 book Together Again 1 book Twins 1 book

      Publisher Series

      Harlequin Presents 11 books Harlequin Presents Subscription 1 book Harlequin Super Romance 26 books Harlequin Super Romance Large Print 12 books Harlequin Temptation 1 book Mills & Boon Cherish 2-in-1 1 book Mills & Boon Essence (Australia) 5 books Mills & Boon Presents 8 books Mills & Boon Romance 2 books Mills & Boon Super Romance 12 books Mills & Boon Temptation 1 book

      Kathleen O'Brien Books FAQ

      How many books has Kathleen O'Brien written?

      Kathleen O'Brien has written 53 books.

      What is the latest Kathleen O'Brien book?

      The most recent release by Kathleen O'Brien is Shadows Over Aberystwyth, published in March 2026.

      What genres does Kathleen O'Brien write?

      Kathleen O'Brien writes primarily Contemporary Romance.

      What series has Kathleen O'Brien written?

      Kathleen O'Brien has written 7 series. Series listed on FictionDB include Cowboy Country, Four Seasons in Firefly Glen, and the Heroes of Heyday, among others.