EVENTS

UPCOMING APPEARANCES

  • June 5 – 7, 2026: In person – Toronto International Festival of Authors 5th crime writing conference MOTIVE, Victoria College at the University of Toronto
    • June 6 at 12:00 pm ET: The Art of Unease: Eva Björg Ægisdóttir & Hannah Mary McKinnon – discussion
    • June 6 at 7:30 pm ET: The Codfather – Murder Mystery Dinner
    • June 7 at 11:30 am – How to Eat an Elephant… & Other Plotting Advice – workshop

 

PAST APPEARANCES

  • December 14, 2025: Online – The Back Room event with Hank Phillippi Ryan and Karen Dionne.
  • December 7, 2025: In person – A Christmas Carol reading in Oakville.
  • November 24, 2025: In person – 7.00 – 9.00 pm ET: Norfolk County Library Event.
  • November 21 – 23, 2025: In person – TIFA Romance Festival.
  • October 19, 2025 – time TBD: In person – 2.00 – 3.00 pm ET: Women of Crime panel at Burlington Library.
  • October 9, 2025 @ 7.00 – 8.00 pm ET: In person and livestreamed – Interviewed Shari Lapena at the Oakville Centre for Performing Arts
  • October 4, 2025 @ 12.00 – 1.00 pm ET: In person – Canada Literature Festival in Mississauga – Thriller & Crime panel with Carolyne Topdjian, Peter Edwards, and Alice Fitzpatrick.
  • September 21, 2025 @ 2.00 – 4.00 pm ET: In person – Book launch party for A KILLER MOTIVE at A Different Drummer Books in Burlington.
  • September 13, 2025 @ 12.30 pm ET: In person – Mississauga Literary Festival – Mystery Mix-Up panel with Uzma Jalaluddin and Bianca Marais.
  • September 9, 2025 @ 7.20 am ET: On TV – Guest appearance on CHCH TV’s Morning Live show with Annette Hamm.
  • September 7, 2025 @ 9.00 pm ET: Online – Twas the Night Before Book Launch with Hank Phillippi Ryan. Hosted by Vanessa Lillie.
  • September 7, 2025 @ 7.00 pm ET: Online – book launch for A KILLER MOTIVE by Hannah Mary McKinnon and ALL THIS COULD BE YOURS by Hank Phillippi Ryan. Hosted by Sonica Mizerski.
  • June 27 – 29, 2025: MOTIVE crime & mystery writing festival in Toronto.
  • June 26, 2025 @ 6.30 pm: Kitchener Public Library – Thriller Panel with Lisa Unger & Sue Hincenbergs.

NEWS

  • December 2024 – Toronto Star names Only One Survives a Top-20 book of 2024.
  • November 2024 – The Globe & Mail names Only One Survives a Top-100 book of 2024.
  • October 2024 – The Christmas Countdown becomes my sixth Globe & Mail and Toronto Star Canadian bestseller.
  • August 2024 – The Christmas Countdown receives a Library Journal starred review here.
  • August 2024 – The Christmas Countdown receives a Library Journal starred review here.
  • July 2024 – Only One Survives is a Loan Stars Top-10 pick in Canadian Libraries. See here.
  • July, 2024 – MIRABooks acquires my eleventh novel, tentatively called A Killer Motive, for North American publication in fall of 2025
  • July, 2024 – The Revenge List releases in Estonia, published by Ersen and titled Kättemaksunimekiri.
  • October 4, 2023 – Putnam US / Penguin Random House Canada acquires The Christmas Countdown (writing as Holly Cassidy) for a publication in fall 2024.
  • June 2, 2023 – The Revenge List becomes my fifth Globe & Mail Canadian Fiction bestseller.
  • May 31, 2023 – The Revenge List becomes my fifth Toronto Star Canadian Fiction bestseller.
  • May 23, 2023 – The Revenge List is chosen as a Globe & Mail must-read book of the summer.
  • June 3, 2022 – Never Coming Home becomes a Globe & Mail Canadian Fiction bestseller.
  • June 1, 2022 – Never Coming Home becomes a Toronto Star Canadian Fiction bestseller.
  • May 2022 – Piper Verlag acquires German rights for Never Coming Home as a lead title for fall 2023.
  • May 2022 – Swiat Ksiazki acquires Polish rights for Never Coming Home for publication in July 2023.
  • May 2022 – Putnam US & Penguin Random House Canada acquire the holiday romantic-comedy The Christmas Wager (written as Holly Cassidy) for publication in fall 2023.
  • July & August 2021 – You Will Remember Me is a Target US Pick of the Month for July, and a Walmart Canada Book of the Month for August.
  • July 22, 2021 – MIRABooks acquires my seventh and eighth novels for North American publication in 2023 and 2024.
  • June 4, 2021 – You Will Remember Me becomes a Globe & Mail Canadian Fiction bestseller and stays on the list for 8 weeks.
  • June 2, 2021 – You Will Remember Me becomes a Toronto Star Canadian Fiction bestseller and stays on the list for 8 weeks.
  • June 5, 2020 – Sister Dear becomes a Globe & Mail Canadian Fiction bestseller and stays on the list for 6 weeks.
  • June 3, 2020 – Sister Dear becomes a Toronto Star Canadian Fiction bestseller and stays on the list for 6 weeks.
  • April 20, 2020 – Hodder & Stoughton buys Sister Dear, Her Secret Son, and The Neighbours for UK & Commonwealth distribution. See press release.
  • October 7, 2019 – MIRABooks acquires my fifth and sixth novels for North American publication in 2021 and 2022.
  • June 7, 2019 – Her Secret Son becomes a Globe & Mail Canadian Fiction bestseller.
  • June 5, 2019 – Her Secret Son becomes a Toronto Star Canadian Fiction bestseller.
  • May 28, 2019 – Official publication of Her Secret Son.
  • July 17, 2018 – MIRABooks acquires my fourth novel, Sister Dear, for publication in 2020.
  • March 13, 2018 – Official publication of The Neighbors.
  • March 5, 2017 – Signed a two-book deal with MIRABooks. Update: The Neighbors, was published March 13, 2018. Her Secret Son May 28, 2019.
  • June 2, 2016 – Official publication of Time After Time.
  • February 24, 2016 – Signed my first deal with AVON (HarperCollins UK) for Time After Time.
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