The Common Criminals’ Club: Death Before Detention

by Alison Weatherby, illustrated by Ellen Porteus

Interest age: 9 to 14
Reading age: 9+

Published by Macmillan Children's Books, 2026

  • Around the world
  • Crime

About this book

When Mae Flynn went to the school kitchen to fetch extra butter for the Home Economics lesson, the last thing she expected was to be crushed when a dead body fell on her from the walk-in fridge. 

Turns out, the body is Conor Haddock, owner of the school site, and that he has more enemies than anyone can count. Which means an almost endless list of suspects. 

While Mae and her friends try to work out how and why Mr Haddock died, the body count rises and it seems everyone is keeping secrets. Some of these threaten Mae’s close-knit friendship group and some threaten her life. 

Can the self-named Common Criminals’ Club solve the mysteries before they become the next victims?   

Set in a Catholic girls’ boarding school in rural Ireland, this cosy crime adventure is awash with memorable characters, one of whom is non-binary, and the usual serving of false leads and red herrings. 

Touching on the complexities of friendship, emerging sexuality and the nature of loyalty, the story is infused with gentle humour rather than fixated on gory details. 

Perfect for budding supersleuths and fans of Louise Rennison and the Lottie Brooks books.

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