Holly Cassidy

Holly Cassidy is the pen name of internationally bestselling author Hannah Mary McKinnon. As Holly Cassidy, she penned the romantic comedies THE CHRISTMAS WAGER and THE CHRISTMAS COUNTDOWN. Her suspense novels as Hannah Mary McKinnon include THE REVENGE LIST, ONLY ONE SURVIVES, and A KILLER MOTIVE, which is her eleventh book. Her work has been optioned for the screen. Born in the UK, Hannah Mary grew up in Switzerland and now lives near Toronto with her husband and three sons. You’ll find her on social media as @hannahmarymckinnon.