When I open the door and see her, my mind starts churning. Why are they here? What do they want? And why did my daughter leave in the first place? Am I finally, after all of these years, going to find out? I take a deep breath and usher them in...

Ruth has spent every day of the last fifteen years wondering why her daughter Isobel left. Walking around the school to which she has given her life, every child she sees reminds her of her family's bright future which vanished in an instant.

So when Ruth opens the door to find Isobel and a teenage grandson she never knew existed, she feels a rush of relief. Despite the years of hurt she never stopped loving Isobel and wants to help rebuild her life. Enrolling her grandson at the school, Ruth wants to make sure they stay for good.

Isobel has spent her life running from a painful secret. A secret which could have destroyed her family. Now, as she flees a bad relationship, she knows that her childhood home is the only place where she can be safe.

But as Isobel looks at her son in his crisp new uniform, she is taken straight back to the reason she ran all those years ago. Soon it becomes clear that she is not the only one tormented by the past. Someone is prepared to destroy everything Ruth and Isobel hold dear. Can Isobel confront her darkest secret before it is too late?

From the bestselling author of Who We Were Before comes a powerful and emotional page-turner about devastating family secrets. Perfect for fans of Liane Moriarty, Emily Bleeker and Imogen Clark.

Readers love Why She Left:

'This story had me glued to my chair! You will not believe the twists and turns as you devour the pages! It has secrets fear, strength, mystery and suspense!... Do yourself a favor and put aside a day to read this novel. It is so good!' Goodreads reviewer, ⭐⭐⭐⭐⭐

'A stunning read-heartbreaking and gripping in equal measure, this family drama had everything I needed... I was hooked from the very first page... I love it when a book evokes such strong emotions...Highly recommended by me!' Mychestnutreadingtree, ⭐⭐⭐⭐⭐

'A psychological thriller with more than a dash of family drama... The twists and turns in this book were something else. Just when I thought I had it sussed then the twists and turns lead me down a totally different path... set aside a day to read this because once you start you won't want to put it down.' Linda Strong Book Reviews

Praise for Leah Mercer:

'Wow!!! Just absolutely wow!!!... Clear your schedules before you start this and get the tissues ready!... I was absolutely hooked... in tears by the end! Welcome to my top authors list!' Bookworm86, ⭐⭐⭐⭐⭐