My Debut Novel


My debut novel Paris Mon Amour  is now out in paperback as well as ebook available in the UK, USA and Canada, and worldwide from Audible. It’s currently included in the WH Smith Travel Summer of 17 promotion at UK airports and major railway stations and was picked by Red Online as one of their 50 Best Summer Beach Books.

The first time I caused terrible harm to the people I love it was an accident. The second is the reason I’m here.

When Alexandra discovers that her husband Philippe is having an affair, she can’t believe he’d risk losing the love that has transformed both their lives.

Still in shock, Alexandra finds herself powerfully attracted to a much younger man. Jean-Luc Malavoine is twenty-three, intense and magnetic. He’s also the son of Philippe’s best friend.

With every passionate liaison, Alexandra is pulled deeper into a situation that threatens everyone involved.

Paris Mon Amour charts the passion and the price of inescapable desire, obsessive love and devastating betrayals.


‘A truly emotional ride. A story of lust, love and loss with a beautifully described Paris as its backdrop. I galloped through it in a couple of days’ Claire Fuller

‘Told with honesty and insight, Alexandra’s story reflects Paris as it really is: beautiful and romantic, troubled and dark’ Peter Nichols

‘A sexy slow burn’ Emma Curtis

‘Will make you want to run away to Paris’ Claire McGowan

‘Thoughtful, beautifully written and compelling’ Charles Lambert


‘Sultry, dark and very readable’ Trip Fiction

‘A remarkably assured debut’ The Fiction Fox

‘An emotionally intelligent exploration of the complexity of human relationships where secrets, guilt and shame can drive people to behave compulsively in ways that inevitably do harm those they love. The relationships within this heart-breaking story are well drawn and believable, I felt deeply involved with every character’ – Read the full review by Pamreader

‘A grown-up look at adultery, at how we become embroiled in things we initially believe we can control before they end up controlling us. The author does an excellent job of describing how torn and guilty people can feel, yet continue to do the things they feel bad about’ – Read the full review by Marina Sofia

‘Alexandra is frank about being drawn to Jean-Luc [… ] She shares her reflections in a way which shows enormous courage and insight, and I found these aspects extremely interesting. It’s a sophisticated book […] Costello handles the sexual scenes extremely well. She portrays the sex graphically and honestly, but it never feels pornographic or voyeuristic. It shows us what Alexandra is thinking and feeling, and is integral to the plot’ – Read the full review by Vicky Newham

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