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 and go undercover. From a creaking old house at the foot of the Harz mountains, they take the Kratzenstein family's funeral train to the peak of the Brocken Mountain. Can Hal uncover the secrets of the Brocken railway and the family curse before disaster strikes?

Twitch has three pet chickens, four pigeons, swallows nesting in his bedroom and a passion for bird-spotting. On the first day of the summer holidays, he arrives at his secret birdwatching hide to find police everywhere: a convicted robber has broken out of prison and is hiding in Aves Wood. Can Twitch use his talents for bird-spotting to hunt for the dangerous prisoner and find the missing loot?

Be warned! Awful animals lurk inside. These 10 tales of the world’s craziest creatures will have you shaking with laughter. You’ll never look at pets in the same way again! Marvel at Houdini, the magician’s rabbit. Take a trip around the world with Zoom, the supersonic tortoise. Gasp at the chaos created by Griselda, a grizzly bear with a big secret. And run for your lives! It’s Furp, the monstrous goldfish!

Darkus is miserable. His dad has disappeared, and now he is living next door to the most disgusting neighbours ever. A giant beetle called Baxter comes to his rescue. But can the two solve the mystery of his dad's disappearance, especially when links emerge to cruel Lucretia Cutter and her penchant for beetle jewellery? A coffee-mug mountain, home to a million insects, could provide the answer - if Darkus and Baxter are brave enough to find it.

My name is Ted Spark. Three months ago, I solved the mystery of how my cousin Salim disappeared from a pod on the London Eye. This is the story of my second mystery. This summer, I went on holiday to New York, to visit Aunt Gloria and Salim. While I was there, a painting was stolen from the Guggenheim Museum, where Aunt Gloria works. Then Aunt Gloria was blamed for the theft, and I realised just how important it was to find the painting and discover who really had taken it.

When 12-year-old Flick Hudson accidentally ends up in the Strangeworlds Travel Agency, she uncovers a fantastic secret: there are hundreds of other worlds just steps away from ours. All you have to do to visit them is jump into the right suitcase. Then Flick gets the invitation of a lifetime: join Strangeworlds' magical travel society and explore other worlds. But, unknown to Flick, the world at the very centre of it all, a city called Five Lights, is in danger. 

Alice is hiding an unusual power, a power that she has to keep secret. In movies, this would make Alice a superhero, a principal character with a sparky trick up her sleeve. However, in the reality of office life, this power is proving to be a pain in the rear end. Alice gives out massive static shocks. Alright, this might not be the most spectacular gift, but it can fuse electrical circuits, cripple low-life creeps on the underground, and foil bank robberies.

It’s 1911, and the young detectives of Taylor & Rose are turning their talents to espionage. On a case for the mysterious Secret Service Bureau, the daring Miss Sophie Taylor and Miss Lilian Rose must leave London for the boulevards and grand hotels of Paris.

When 12-year-old Billy Chan finds out his parents are sending him to a summer camp in middle-of-nowhere China, he doesn’t know what to expect. There he meets fellow campers Dylan, Charlotte and Ling-Fei and together they stumble upon an age-old secret: four powerful warrior dragons, hidden deep within the mountain behind the camp. They have been trapped since an epic battle with the Dragon of Death and need the children’s help to set them free before terrible evil is unleashed on the earth. 

Cordelia comes from a long line of magical milliners, who weave alchemy and enchantment into every hat. In Cordelia's world, Making - crafting items such as hats, cloaks, watches, boots and gloves from magical ingredients - is a rare and ancient skill, and only a few special Maker families remain.

Eleven-year-old Casper Tock hates risks, is allergic to adventures and shudders at the thought of unpredictable events. So, it comes as a nasty shock to him when he accidentally stumbles into Rumblestar, an Unmapped Kingdom full of magical beasts. All Casper wants is to find a way home, but Rumblestar is in trouble. An evil harpy called Morg is sending her followers, the Midnights, into the kingdom to wreak havoc and pave the way for her to steal the Unmapped magic for herself.

Violet Veil wants nothing more than to prove her worth and become her father’s apprentice at Veil & Sons Undertakers. And one rain-soaked night she gets her chance when she meets a boy, Oliver, who is wandering around the graveyard. Only, the last time Violet saw Oliver, he was indoors and very much dead, waiting to be buried. Violet has just found her first case and it doesn’t get bigger than this: can she, with the help of her dog, Bones, help Oliver solve his own ‘murder’. 

Twenty-five years after a young girl goes missing from her home in South-East England, most have given up hope of ever finding closure. But when a renowned psychic has visions of a murder the police reopen the case, placing the puzzle of the "woodlands killer" in Ashley McCoy’s capable hands. Firmly set in the harsh reality of a world where the young and beautiful are not safe from dangerous hands, A Walk Into Darkness navigates the ups and downs of Ashley’s life; desperate to solve the cold case without letting the trials and intrigues of life get in the way.

Izzy, her boyfriend, and her holiday-crashing neighbor, Etta, are off to the driest, flattest, and most infertile inhabited continent on earth - where even the cutest of creatures might try to kill you. But that’s only the beginning of their problems. A Taste Society courier goes missing. And 26 hours after Izzy lands in Australia, a crocodile is found dead. With a human corpse inside. Not quite the start to her relaxing holiday she’d been hoping for.

Wonder at the puzzling disappearance of the Jewelled Moth! Marvel as our heroines, Sophie and Lil, don cunning disguises, mingle in high society and munch many cucumber sandwiches to solve this curious case! Applaud their bravery as they follow a trail of terrible secrets that leads straight to London’s most dangerous criminal mastermind, and could put their own lives at risk too....