Children's / Teenage fiction: Crime & mystery fiction

Orphaned as a baby, nineteen-year-old Signa has been raised by a string of guardians, each more interested in her wealth than her wellbeing - and each has met an untimely end. Her remaining relatives are the elusive Hawthornes, an eccentric family living at Thorn Grove, an estate both glittering ...

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! Mr Holder's life is turned on its head when a piece of the priceless crown he's been asked to guard goes missin...

Ryan is about to board a plane, knowing that the next 24 hours will change everything. His mission is to stop the biggest terrorist attack America's ever seen. Ryan works for CHERUB, a secret organisation with one key advantage: even a trained terrorist won't suspect that a teenager is spying on ...

Snowy has sniffed out another mystery, but also discovers a taste for Scottish whisky! After a terrifying chase through the skies, Tintin sets out to investigate the infamous Black Island. But can Tintin and Snowy escape the terrible 'beast'?

It is the summer of 1940. The world is at war. These days, you don't know who you can trust or who might be a secret spy. Maths whizz Jakob Novis has been recruited to the secret codebreaking centre at Bletchley Park. As Jakob works to crack the Nazi's Enigma cipher, his younger sister Lizzie is ...

Ruby Redfort: undercover agent, code-cracker and thirteen-year-old genius - you can count on her when the ice starts to crack. All good things come to an end. Ruby Redfort is running scared, a whole bunch of people want her dead and worst of all one of them is on her team. But just who is this ag...

Devon is always being left behind by her genius twin sister, Drew. At this point, it's a fact of life. But Devon has one last plan before Drew leaves for college a whole year early - The Best Summer Ever. After committing to the bit a little too much, the twins and their chaotic circle of friends...

Let's follow the footprints! Let's hunt for some clues! Left footprint! Right footprint! No time to lose! As everybody knows, red-footed boobies are fabulous bakers. But when Desmond's frangipane tart goes missing amidst a flurry of footprints, the blue-footed booby becomes the chief suspect. But...

March 1941. Britain is at war, and a secret agency called the Ministry of Unladylike Activity is training up children as spies - because grown-ups always underestimate them. Enter May, Eric and Nuala: courageous, smart, and the Ministry's newest recruits. May's big sister Hazel has arranged for t...

March 1941. Britain is at war, and a secret agency called the Ministry of Unladylike Activity is training up children as spies - because grown-ups always underestimate them. Enter May, Eric and Nuala: courageous, smart, and the Ministry's newest recruits. May's big sister Hazel has arranged for t...