Children's / Teenage fiction: Crime & mystery fiction

Baker by day, spy by night - Alice Eclair leads an exciting double life! At France's Olympics training camp, a brilliant young cyclist needs help. Her father has disappeared - along with the machine he invented that creates unbreakable codes. Alice goes to work undercover in the athletes' butter-...

Things are about to get SUPER WEIRD. When Melvin moves from the city to Donut (a perfectly round island with a hole in the middle), he thinks it's the most rubbish place ever. Then he meets Rhubarb. Rhubarb is OBSESSED with mysteries and has her own school newspaper to investigate the strange goi...

A mysterious letter from an old friend asks Hal and Uncle Nat to help investigate a spooky supernatural mystery. Legend has it the Kratzensteins, a family of rich and powerful railway tycoons, are cursed, but there is no such thing as a curse, is there? Hal and Nat take the night train to Berlin ...

An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery - at an easy-to-read level for readers of all ages! Also includes a QR code for the free audiobook! When it comes to mysterious pasts, Elsie Cubitt certainly has one. So when she starts receiving secret coded me...

With their evil headmaster, Mr Bartholomew, safely out of the picture and kindly Mrs Knight in charge, it looks like life at Rookwood School is looking up. There's a ballet recital Scarlet is desperate to star in, and more clues to uncover about the twins' mother. But after their beloved ballet t...

Eddie and his friends must take on the perils of an evil badger crew to unravel a pirate treasure mystery that will see them ranging the Romney marshes and beyond to discover a hoard of EPIC proportions.

There's a new girl at Rookwood School, and new mystery for Scarlet and Ivy to solve.

Kitty and Tom travel the county with Ma Hawker, enthralling crowds with their amazing collection of curios. Always on the lookout for new wonders, Kitty is tricked into buying a worthless bag of rubbish. But hidden within is a special piece of scrimshaw. A young woman called Flora Meriweather is ...

Lucy has left Lockwood & Co. A freelance operative, she is hiring herself out to other agencies - agencies that might value her ever-improving skills. But now Lockwood needs her help.Penelope Fittes, leader of the well-renowned Fittes Agency wants Lockwood & Co. - and only them - to locate and re...

An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery - at an easy-to-read level for readers of all ages! Also includes a QR code for the free audiobook! When Watson rushes to Baker Street only to find it is for a case about a professor's misbehaving dog, he is not...