Sue MacKay

   Return of the Maverick / It Started with a Pregnancy (2011) (with Scarlet Wilson)
   The Dangers of Dating Your Boss / The Doctor, His Daughter and me (2012) (with Leonie Knight)
   Every Boy's Dream Dad / Return of the Rebel Surgeon (2012) (with Connie Cox)
   Christmas with Dr Delicious / One Night That Changed Everything (2012) (with Tina Beckett)
   Cinderella of Harley Street / You, Me and a Family (2013) (with Anne Fraser)
   The Gift of a Child / How to Resist a Heartbreaker (2013) (with Louisa George)
   From Duty to Daddy / Changed by His Son's Smile (2014) (with Robin Gianna)
   The Family She Needs / A Father for Poppy (2015) (with Abigail Gordon)
   Midwife...to Mum! / His Best Friend's Baby (2015) (with Susan Carlisle)
   Harlequin Medical Romance September 2015 Box Set 1 of 2 (2015) (with Alison Roberts and Lucy Ryder)
   Reunited...in Paris! / French Fling to Forever (2015) (with Karin Baine)
   A December to Remember / A Father This Christmas? (2015) (with Louisa Heaton)
   Harlequin Medical Romance November 2015 - Box Set 1 of 2 (2015) (with Janice Lynn and Scarlet Wilson)
   Breaking All Their Rules / One Life-Changing Night (2016) (with Louisa Heaton)
   Harlequin Medical Romance March 2016 - Box Set 1 of 2 (2016) (with Marion Lennox and Carol Marinelli)
   Mr Right All Along (2016) (with others)
   Tempting Nashville's Celebrity Doc / Dr White's Baby Wish (2016) (with Amy Ruttan)
   Harlequin Medical Romance August 2016 - Box Set 2 of 2 (2016) (with Wendy S Marcus)
   Medical Romance August 2016 Books 1-6 (2016) (with others)
   Harlequin Medical Romance December 2016 - Box Set 2 of 2 (2016) (with Louisa Heaton and Scarlet Wilson)
   Medical Romance December 2016 Books 1-6 (2016) (with others)
   Playboy on Her Christmas List / The Army Doc's Baby Bombshell (2016) (with Carol Marinelli)
   Resisting Her Army Doc Rival / A Month to Marry the Midwife (2017) (with Fiona McArthur)
   Harlequin Medical Romance March 2017 Box Set 1 of 2 (2017) (with Carol Marinelli and Annie O'Neil)
   Pregnant with the Boss's Baby / Reunited with His Runaway Doc (2017) (with Lucy Clark)
   Falling for Her Fake Fiance / The Family She's Longed For (2017) (with Lucy Clark)
   The Nurse's Special Delivery / Her New Year Baby Surprise (2017) (with Louisa George)
   Harlequin Medical Romance December 2017 - Box Set 2 of 2 (2017) (with Louisa George and Annie O'Neil)
   The Dreaming Of... Collection (2018) (with others)
   Dreaming Of... France (2018) (with others)
   Harlequin Medical Romance June 2018 - Box Set 2 of 2 (2018) (with Kate Hardy and Louisa Heaton)
   Harlequin Medical Romance August 2018 Box Set 1 of 2 (2018) (with Marion Lennox and Alison Roberts)
   Heart Of Courage (2018) (with Karin Baine and Amy Ruttan)
   ER Doc's Forever Gift / Christmas with Her Bodyguard (2018) (with Charlotte Hawkes)
   Twins For Christmas (2018) (with others)
   Harlequin Medical Romance December 2018 - Box Set 2 of 2 (2018) (with Amalie Berlin)
   The Midwife's One-Night Fling / Baby Miracle in the ER (2018) (with Carol Marinelli)
   The Mills & Boon Sparkling Christmas Collection (2018) (with others)
   Saved by Their One-Night Baby / Redeeming Her Brooding Surgeon (2019) (with Louisa George)
   Tempted By The Single Doc (2019) (with Karin Baine and Louisa Heaton)
   Harlequin Medical Romance July 2019 - Box Set 1 of 2 (2019) (with Louisa George and Janice Lynn)
   Second Chance with Her Island Doc / Taking a Chance on the Single Dad (2019) (with Marion Lennox)
   Harlequin Medical Romance September 2019 - Box Set 2 of 2 (2019) (with Deanne Anders and Dianne Drake)
   Fairytale With The Single Dad (2019) (with Louisa Heaton and Alison Roberts)
   The Nurse's Twin Surprise / A Weekend With Her Fake Fiance (2019) (with Traci Douglass)
   Harlequin Medical Romance January 2020 - Box Set 1 of 2 (2020) (with Marion Lennox and Fiona McArthur)
   Midwives On Call: Her Baby Surprise (2020) (with Susanne Hampton and Scarlet Wilson)
   Reunited By Their Secret Daughter / A Fling To Steal Her Heart (2020) (with Emily Forbes)
   Harlequin Medical Romance March 2020 - Box Set 1 of 2 (2020) (with Deanne Anders and Emily Forbes)
   Midwives On Call: A Forever Family (2020) (with Fiona McArthur and Carol Marinelli)
   Tempted By Collection (2020) (with others)
   Tempted By...And Rumours Collections (2020) (with others)
   Reunion With His Surgeon Princess / Reclaiming Her Army Doc Husband (2020) (with Karin Baine)
   Harlequin Medical Romance June 2020 - Box Set 1 of 2 (2020) (with Annie Claydon and Alison Roberts)
   Weekend Fling With The Surgeon / The Nurse's Secret (2020) (with Janice Lynn)
   Harlequin Medical Romance September 2020 - Box Set 2 of 2 (2020) (with Juliette Hyland and Becky Wicks)
   Midwives On Call Collection (2020) (with others)
   A & E Docs: His Baby Surprise (2020) (with Brenda Harlen and Louisa Heaton)
   Risking Her Heart On The Trauma Doc / The Gp's Secret Baby Wish (2020) (with Louisa Heaton)
   A & E Docs: Taming The Brooding Doc (2021) (with Carol Marinelli and Joanna Neil)
   Harlequin Medical Romance January 2021 - Box Set 1 of 2 (2021) (with Fiona McArthur and Scarlet Wilson)
   The Surgeon And The Princess / Captivated By Her Runaway Doc (2021) (with Karin Baine)
   Harlequin Medical Romance April 2021 - Box Set 2 of 2 (2021) (with Karin Baine and Marion Lennox)
   His Double Baby Bonus (2021) (with Teresa Southwick)
     aka What Makes a Father / The Nurse’s Twin Surprise
   A &E Docs: His Emergency Secret (2021) (with Amber McKenzie and Carol Marinelli)
   The A&E Docs And Australian Affairs Collection (2021) (with others)
   The A&E Docs Collection (2021) (with others)
   Harlequin Medical Romance August 2021 - Box Set 1 of 2 (2021) (with Charlotte Hawkes and Annie O'Neil)
   A Single Dad To Rescue Her / Falling For The Billionaire Doc (2021) (with Amy Ruttan)
   Christmas Wish Collection (2021) (with others)
   A Gift To Change His Life / From Best Friends To I Do? (2021) (with Emily Forbes)
   Harlequin Medical Romance November 2021 - Box Set 2 of 2 (2021) (with Traci Douglass and Emily Forbes)
   The Island Escapes Collection (2021) (with others)
   Harlequin Medical Romance April 2022 - Box Set 2 of 2 (2022) (with Amy Ruttan)
   Their Second Chance In ER / Forbidden Fling With Dr Right (2022) (with JC Harroway)
   Fling With Her Long-Lost Surgeon / Saving The Single Mum's Heart (2022) (with Allie Kincheloe)
   Harlequin Medical Romance July 2022 - Box Set 2 of 2 (2022) (with Louisa George and Alison Roberts)
   A Date With Her Best Friend / Stranded With The Paramedic (2022) (with Louisa Heaton)
   Harlequin Medical Romance October 2022 - Box Set 1 of 2 (2022) (with Emily Forbes and Marion Lennox)
   Harlequin Medical Romance January 2023 - Box Set 2 of 2 (2022) (with Traci Douglass and Juliette Hyland)
   Rules Of Their Fake Florida Fling / Single Mum's New Year Wish (2022) (with Juliette Hyland)
   Brought Together By A Pup / Winning The Neonatal Doc's Heart (2023) (with Amy Ruttan)
   Foreign Affairs: London Calling (2023) (with Kate Hardy and Lucy King)
   Irresistible Italians: One Perfect Moment (2023) (with Kate Hardy and Melanie Milburne)
   Fake Fiancee To Forever? / Nurse's Pregnancy Surprise (2023) (with Amy Ruttan)
   Harlequin Medical Romance July 2023 - Box Set 1 of 2 (2023) (with Amy Andrews and Louisa George)
   The Surgeon's Passion (2023) (with Susan Carlisle and Charlotte Hawkes)
   The Surgeon's Secret (2023) (with Tina Beckett and Robin Gianna)
   The Irresistible Italians Collection (2023) (with others)
   Harlequin Medical Romance December 2023 - Box Set 2 of 2 (2023) (with Marion Lennox and Alison Roberts)
   Reunited by the Nurse's Secret / Resisting the Pregnant Paediatrician (2023) (with Louisa George)
   Harlequin Medical Romance April 2024 - Box Set 1 of 2 (2024) (with Alison Roberts)
   Marriage Reunion With The Island Doc / An Er Nurse To Redeem Him (2024) (with Traci Douglass)
   Pregnancy Surprise In Byron Bay / Paramedic's Fling To Forever (2024) (with Emily Forbes)
   Tempted By The Outback Vet / Healing The Single Dad Surgeon (2024) (with Becky Wicks)
   Family Of Three Under The Tree / Brooding Vet For The Wallflower (2024) (with Traci Douglass)