From the author of the “breathtaking, bone-chilling work of psychological suspense” (Cristina Alger, USA TODAY bestselling author) Her One Mistake , comes a twist-filled thriller following three ambitious women whose professional rivalries and personal secrets collide after a devastating fire threatens to expose the truth. Returning to work after maternity leave, Laura expects to reclaim her role at the powerful advertising agency Morris and Wood. Instead, she finds herself sidelined by Mia, the woman hired to cover for her—and who now seems determined to stay. Despite Laura’s long-standing connection to the agency’s influential CEO, she struggles to regain control while juggling the pressures of career and motherhood. Mia insists she’s only doing her job, but her desperation to remain at the firm runs deeper than anyone realizes. If her carefully guarded secret were revealed, everything she’s built could collapse overnight. Meanwhile, Janie, the wife of the agency’s founder, has sacrificed her own ambitions to support her husband’s success—and harbors a dark secret she will protect at any cost. When a shocking fire rocks the agency, the fragile balance between the women shatters. As investigators circle and long-buried lies surface, each woman must decide how far she’s willing to go to protect her future. With her signature “chilling, captivating” (Megan Miranda, New York Time s bestselling author) prose, Heidi Perks weaves another bone-chilling and unputdownable thriller in the vein of Watching You and The Couple Next Door . Taut, chilling, and relentlessly suspenseful, this novel explores ambition, betrayal, and the dangerous power dynamics lurking behind polished office doors. Praise for Three Perfect Liars " Three Perfect Liars is a slick, gripping, and compelling murder mystery, packed with complex female characters and modern dilemmas. I couldn't put it down." -- ―Lisa Jewell, New York Times bestselling author of The Family Upstairs “[An] ingeniously plotted page-turner… all the intramural turmoil serves as springboard for the far darker and twistier tale that emerges as the author gradually exposes these women’s secret ambitions, jealousies, and sorrows. Psychological thriller fans will look forward to more from Perks.” ― Publishers Weekly “The women of the Morris and Wood Marketing Agency in Lymington, England, take center stage in this whodunit with a twist.… Coming off the momentum of the #MeToo movement, the workplace competition between women will intrigue suspense readers eager to discover the culprit.” ― Booklist Praise for Her One Mistake "I flew through this book, desperate to unravel the secrets within. A chilling, captivating story of friendship, motherhood, and deceit, Her One Mistake kept me guessing until the very end." -- ―Megan Miranda, New York Times bestselling author of All the Missing Girls “A terrifically suspenseful and intriguing novel that hooked this reader from beginning to end.” -- ―Liz Nugent, international bestselling author of Unraveling Oliver “I flew through this book in three days, with my heart in my mouth. Seriously page turning.” -- ―Lisa Jewell, New York Times bestselling author of Then She Was Gone " Her One Mistake is a breathtaking, bone-chilling work of psychological suspense. An outstanding debut that had me guessing right up to the very end." -- ―Cristina Alger, USA Today bestselling author of The Banker’s Wife “[This] domestic suspense debut is sure to be a hit…Once the pace takes off, the twists come fast. Perks is an author to watch, and this examination of true female friendship will appeal to many.” ― --Booklist “Gripping…realistic…Fans of domestic thrillers will look forward to Perks’s second outing.” ― --Publishers Weekly "Perks lays down a major twist halfway through, but the book is also a clever, thoughtful study of the fraught power dynamics between women — as well as the people they love (and, sometimes, fear)." ― --Entertainment Weekly "In the vein of Big Little Lies , Heidi Perks's latest thriller gives domesticity a biting edge when a mother's only daughter goes missing, vanishing under the watchful eye of her best friend Charlotte." ― --InStyle "...this psychological thriller is one you can't afford to miss." ― --Popsugar "The narrative is full of twists and turns...the ending is shocking and totally unexpected." ― --New York Journal of Books "This disturbing, engrossing novel will leave you holding your breath until the very end." ― Buzzfeed Heidi Perks was born and raised in the seaside town of Bournemouth on the south coast of England. After moving up to London for a short stint, she has since moved back to Bournemouth where she now lives with her husband and two children. Heidi has been writing since she was small, though for too many years her day job and career in marketing got in the way. Now she writes full time and cannot think of anything she would rather be doing.