Sarah Breen

Sarah Breen co-authored the Aisling series of books alongside Emer McLysaght. Oh My God, What a Complete Aisling was the bestselling fiction title of 2017 in Ireland and its sequel, The Importance of Being Aisling, won the award for best popular fiction book at the 2018 Irish Book Awards. The third book in the series, Once, Twice, Three Times an Aisling, won the same award the following year and the fourth book in the series, Aisling and the City, won again in 2021. The final book in the series, Aisling Ever After, was published in Autumn 2023 and was an instant number one bestseller. Combined, the Aisling books have sold more than 400,000 copies to date. Emer and Sarah’s lastest co-authored book is the standalone Our Deadly Summer which is published by Bloomsbury in May 2026.