Annie O'Neil

   8 Brand-New Romance Authors (2014) (with others)
   Baby Twins to Bind Them / The Firefighter to Heal Her Heart (2015) (with Carol Marinelli)
   A Baby to Bind Them / Doctor...to Duchess? (2015) (with Susanne Hampton)
   Harlequin Medical Romance August 2015 - Box Set 2 of 2 (2015) (with Amalie Berlin and Joanna Neil)
   Her Playboy's Proposal / One Night...with Her Boss (2015) (with Kate Hardy)
   The Socialite's Secret / London's Most Eligible Doctor (2016) (with Carol Marinelli)
   Harlequin Medical Romance March 2016 - Box Set 2 of 2 (2016) (with Louisa Heaton and Meredith Webber)
   Harlequin Medical Romance June 2016 - Box Set 1 of 2 (2016) (with Karin Baine and Robin Gianna)
   Medical Romance June 2016 Books 1-6 (2016) (with others)
   One Night, Twin Consequences / Twin Surprise for the Single Doc (2016) (with Susanne Hampton)
   Harlequin Medical Romance November 2016 - Box Set 2 of 2 (2016) (with Kate Hardy and Amy Ruttan)
   Medical Romance November 2016 Books 1-6 (2016) (with others)
   Their First Family Christmas / The Nightshift Before Christmas (2016) (with Alison Roberts)
   Santiago's Convenient Fiancee / Alejandro's Sexy Secret (2016) (with Amy Ruttan)
   Harlequin Medical Romance January 2017 - Box Set 2 of 2 (2017) (with Charlotte Hawkes and Amy Ruttan)
   Medical Romance January 2017 Books 1 -6 (2017) (with others)
   Their Secret Royal Baby / Her Hot Highland Doc (2017) (with Carol Marinelli)
   Harlequin Medical Romance March 2017 Box Set 1 of 2 (2017) (with Sue MacKay and Carol Marinelli)
   Harlequin Medical Romance June 2017 Box Set 1 of 2 (2017) (with Susan Carlisle and Alison Roberts)
   Harlequin Medical Romance August 2017 - Box Set 1 of 2 (2017) (with Lucy Ryder)
   Christmas Bride for the Sheikh / Her Knight Under the Mistletoe (2017) (with Carol Marinelli)
   Her Highland Boss (2017) (with Jessica Gilmore and Marion Lennox)
   Harlequin Medical Romance December 2017 - Box Set 2 of 2 (2017) (with Louisa George and Sue MacKay)
   Falling for His Best Friend / Reunited with Her Parisian Surgeon (2018) (with Emily Forbes)
   One Night with Dr Nikolaides / Tempted by Dr Patera (2018) (with Tina Beckett)
   Harlequin Medical Romance June 2018: Box Set 1 of 2 (2018) (with Tina Beckett and Carol Marinelli)
   The Night Before Christmas (2018) (with Olivia Miles and Tawny Weber)
   Harlequin Medical Romance December 2018 - Box Set 1 of 2 (2018) (with Tina Beckett and Charlotte Hawkes)
   The Mills & Boon Sparkling Christmas Collection (2018) (with others)
   Harlequin Medical Romance January 2019 Box Set 1 of 2 (2019) (with Annie Claydon and Louisa George)
   One Night With The Italian Doc (2019) (with Kate Hardy and Carol Marinelli)
   Rescued by the Single Dad / The Doctor's Marriage for a Month (2019) (with Emily Forbes)
   Harlequin Medical Romance March 2019 Box Set 1 of 2 (2019) (with Tina Beckett and Janice Lynn)
   Australian Affairs: Wed (2019) (with Barbara Hannay and Leah Martyn)
   Postcards From Buenos Aires (2019) (with others)
   A Return, A Reunion, A Wedding / Their One-Night Twin Surprise (2019) (with Karin Baine)
   Harlequin Medical Romance August 2019 Box Set 1 of 2 (2019) (with Karin Baine and Alison Roberts)
   Postcards From... and Brides Babies And Billionaires (2019) (with others)
   Hot Docs On Call: Healing His Heart (2019) (with Karin Baine and Alison Roberts)
   Making Christmas Special Again / Their One-Night Christmas Gift (2019) (with Karin Baine)
   Harlequin Medical Romance December 2019 - Box Set 1 of 2 (2019) (with Karin Baine and Louisa George)
   Hot Docs On Call Collection (2020) (with others)
   Risking Her Heart For The Single Dad / The Neonatal Doc's Baby Surprise (2020) (with Susan Carlisle)
   Risking Her Heart On The Single Dad / The Neonatal Doc's Baby Surprise (2020) (with Susan Carlisle)
   Harlequin Medical Romance April 2020 - Box Set 2 of 2 (2020) (with Caroline Anderson and Susan Carlisle)
   The Vet's Secret Son / Healing The Vet's Heart (2020) (with Annie Claydon)
   Harlequin Medical Romance September 2020 - Box Set 1 of 2 (2020) (with Annie Claydon and Janice Lynn)
   Christmas Under The Northern Lights / Mistletoe Kiss With The Heart Doctor (2020) (with Marion Lennox)
   Harlequin Medical Romance December 2020 - Box Set 1 of 2 (2020) (with Louisa George and Charlotte Hawkes)
   The Holiday Rescue (2020) (with Susan Carlisle)
   A Family Made In Rome / Reawakened By The Italian Surgeon (2021) (with Scarlet Wilson)
   Harlequin Medical Romance May 2021 - Box Set 1 of 2 (2021) (with Deanne Anders and Scarlet Wilson)
   Affairs Of The Heart (2021) (with Susan Carlisle and Avril Tremayne)
   Royal Rebels: Royal Weddings (2021) (with Ally Blake and Andrea Bolter)
   Harlequin Medical Romance August 2021 - Box Set 1 of 2 (2021) (with Charlotte Hawkes and Sue MacKay)
   The Princess And The Paediatrician / Reunited With His Long-Lost Nurse (2021) (with Charlotte Hawkes)
   Harlequin Medical Romance September 2021 - Box Set 1 of 2 (2021) (with Charlotte Hawkes and Carol Marinelli)
   Hawaiian Medic To Rescue His Heart / Tempted By Her Convenient Husband (2021) (with Charlotte Hawkes)
   The Royal Rebels And After Hours Collection (2021) (with others)
   The Royal Rebels Collection (2021) (with others)
   Christmas Wish Collection (2021) (with others)
   Harlequin Medical Romance January 2022 - Box Set 1 of 2 (2021) (with Tina Beckett and Susan Carlisle)
   New Year Kiss With His Cinderella / Their Reunion To Remember (2021) (with Tina Beckett)
   The Affairs Of The Heart And Irresistible Bachelors Collection (2022) (with others)
   The Affairs Of The Heart Collection (2022) (with others)
   A Family To Save The Doctor's Heart / In Bali With The Single Dad (2022) (with Marion Lennox)
   Harlequin Medical Romance June 2022 - Box Set 2 of 2 (2022) (with Julie Danvers and Amy Ruttan)
   Christmas With The Single Dad Doc / Festive Fling To Forever (2022) (with Karin Baine)
   The Complete Christmas Collection 2022 (2022) (with others)
   Harlequin Medical Romance November 2022 - Box Set 1 of 2 (2022) (with Karin Baine and Annie Claydon)
   Mistletoe Moments Collection (2022) (with others)
   Foreign Affairs (2023) (with Robyn Amos and Andrea Bolter)
   The Foreign Affairs Collection (2023) (with others)
   The Foreign Affairs, Dare And Bewitched Collection (2023) (with others)
   Harlequin Medical Romance November 2023 - Box Set 2 of 2 (2023) (with Rachel Dove and Amy Ruttan)
   Snowbound Christmas with the Italian Doc / Reunited with Her Off-Limits Surgeon (2023) (with Amy Ruttan)
   Merry Christmas, Baby! (2024) (with Maureen Child and Cathy McDavid)