EVENTS

UPCOMING APPEARANCES

  • September 19, 2026 at 11:45 am : In person – in conversation with author Molly Fader at the Grown-Up Book Fair Library Edition, Niagara Falls Public Library, Victoria Avenue Library, 4848 Victoria Avenue, Niagara Falls, ON L2E 2C3, Canada. No registration required but you can RSVP to their Facebook event HERE

PAST 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
  • June 12, 2026: In person – In conversation with Matt Haig at the Burlington Public Library (Central Branch).
  • 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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