A MMU milestone: my books have sold 3 million copies in the UK and Ireland!

October 19, 2026

MMU MUA - 3 million copies sold

This is an incredible post to be able to write, but it’s true: my books have now sold THREE MILLION copies in the UK and Ireland alone!

I am so proud, and so overwhelmed – the idea of there being three million copies of books I wrote out in the world, being read and loved and shared is just incredible. Thank you to everyone who has spent time with my detectives – I love them, and I love the love you have for them, and I love that we have built this world together.

And I can promise you that their story’s not done yet …

More posts to explore

This is an incredible post to be able to write, but it’s true: my books have now sold THREE MILLION copies in the UK and Ireland alone!
I’m going to be visiting Cambridge on the 8th of November for two very special events, a signing and a live Q&A.
We’ve been working through the special editions of my Murder Most Unladylike series for a little while – and the latest book up for a refresh is Mistletoe and Murder!
My adult debut, Almost the Whole Truth, is publishing in June 2027 from Viking in the UK and Crown in the US. I really, truly love it, and I really hope that you’re going to fall in love with it the way you have with my younger fiction. The UK and Irish edition is available to pre-order NOW, and more updates and pre-order links will be on the way
There’s a new exhibition coming to Oxford’s Story Museum this summer, and it’s all about young detectives! Created by young curators using a storyline by Sharna Jackson, it’ll feature plenty of your favourite detectives – including Daisy and Hazel!
I am doing two festival events this spring: one in Dublin and one in London. They are: International Literature Festival Dublin, 16th May, 12pm – a talk followed by a signing London Children’s Book Festival, 28th June, 3:30pm – a talk followed by a signing