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Following his adventure on the California Comet, artist and amateur sleuth Hal Beck is looking forward to another railway journey with Nat, his journalist uncle - this time riding the historic Safari Star through South Africa. Then the already eventful journey becomes even more so when one of their fellow passengers dies on board!

After his adventure on the Highland Falcon, amateur sleuth Hal Beck is excited to embark on another journey with his journalist uncle. This time, they're set to ride the historic California Comet from Chicago to San Francisco. Hal mostly keeps to himself on the trip, feeling homesick and out of place in America. But he soon finds himself drawn into another mystery when the young daughter of a billionaire tech entrepreneur goes missing!

When 11-year-old Harrison "Hal" Beck is forced to accompany his travel-writer uncle on the last journey of a royal train, he expects a boring trip spent away from video games and children his age. But then Hal spots a girl who should not be on board, and he quickly makes friends with the stowaway, Lenny. Things get even more interesting when the royal prince and princess board for the last leg of the journey - because the princess' diamond necklace is soon stolen and replaced with a fake!

A mysterious stage magician has set up in the theatre at the end of the pier, with an act so hypnotic and strange that Herbie Lemon and his friend, Violet Parma, suspect dark forces are at work. Meanwhile, folk are disappearing from Eerie-on-Sea, and no one knows why. There is an Eerie legend that goes back to the dawn of time, about a creature made of darkness that devours the shadows of the living. But could the Shadowghast really have returned?

Teenage spy Alex is in the South of France, hoping to sever his links with MI6. But when a sudden attack on his hosts plunges Alex back into a world of violence, he soon uncovers a plan called Eagle strike - a discovery more terrible than anything he could have imagined.

A few months ago, Alex’s world changed...forever. Now, just when it seems life is almost getting back to normal, Alex’s grandfather crashes back into the picture with grave news: their friend Harry has fallen into the clutches of a familiar foe, and the old man needs Alex’s help to rescue him. This time, the duo’s desperate dash across Europe leads from Paris deep into Germany’s foreboding Black Forest, as they chase down the mystery Harry had been investigating when he disappeared.

Lucy, Max, Charlie and Joe aren’t looking for new friends - they have too many of their own problems to worry about. But when the four of them and Charlie’s faithful dog, Sherlock, spot a phantom figure on Southwold beach one winter’s night, they are thrown together to unravel a mystery that none of them expected. Just who is the ghostly spectre that walks the sands of Southwold with a lantern in his hand? What is the connection to the ancient curse that hangs over the town? And is the respectable Quentin De Havilland everything he pretends to be?

Shy girl Tom Ginger is the world’s unlikeliest hero – until she discovers that her new braces have the power to act as radio transmitters, allowing her to tune into the conversations of her new super-evil head teacher. Suddenly it’s up to Tom to save the school from Miss Fortune’s dastardly plans. Can she do it? Perfect for fans of Sam Copeland’s Charlie Changes into a Chicken and Danny Wallace's Hamish series.

The hunt is on! Dink, Josh, and Ruth Rose are spending Thanksgiving in Plymouth, Massachusetts. They can't wait to see the sights and have a Thanksgiving dinner, just like the Pilgrims would have eaten. Then the kids learn about a sapphire necklace that went missing on the real Mayflower. Could the 400-year-old treasure be hidden somewhere nearby? And will someone else find it before they do?

It's sleepover night at a science museum in Boston. Dink, Josh, and Ruth Rose can't wait to settle their sleeping bags near the museum's colossal fossil - a giant Spinosaurus skeleton - and tour the exhibits long after closing time. But after they fall asleep, they wake to a terrible crash! Is the dinosaur fossil damaged? Or is there another big problem at the science museum?

Gina, Edgar, Elena, and Kevin have been best friends for as long as they can remember. So when their arch-nemesis points out that their initials make them literally GEEKs, they decide to go with it. The GEEKs’ hometown of Elmwood was once the headquarters of the famous toymaker Maxine Van Houten. Her popular puzzle sphere, the Bamboozler, put the town on the map. But Maxine passed away long ago. Now the toy factory is shutting down, and Elena’s mom and Kevin’s dad are losing their jobs. They might have to move—and that would mean splitting up the GEEKs!

After officially naming themselves the Petite Private Eyes, Peggy, Rita, and Dot are ready to take on a new assignment from the Lady Spies. The Fashion Twins, two local designers, have been robbed! When the girls go undercover to investigate, they find themselves joining a curious scout troop run by a mysterious scout leader. With the help of the Lady Spies and a feisty pet cheetah, will the girls crack the case and make some new friends?

When Holly and her family fly to LA for a holiday, it promises to be the trip of a lifetime. On her first day exploring the city of dreams, Holly befriends a movie director, who's captured something suspiciously dragonlike on camera while filming out in the desert. But before she can examine the tape properly, it goes missing.... Holly asks her partner-in-solving-crime, dragon detective Dirk Dilly, to join her on the hunt for clues in Hollywood. Will they be able to find the film before it falls into the wrong hands and exposes the existence of dragonkind to the world?

When a visitor turns up unannounced at Dirk's office with a new case for him and Holly to solve, all is not as it seems. A Sea Dragon has disappeared, and the only clue left at the scene of the crime is the ashy outline of an elusive Sky Dragon. As their investigations take them from a dodgy billionaire's HQ to the top of the city's tallest skyscraper, trouble is set to soar sky high for this dragon detective and his partner-in-solving-crime. Will they be able to hunt down the suspect and find the missing dragon before they both disappear into thin air?

Holly is desperate to be sleuthing with her partner-in-solving-crime, dragon Dirk Dilly, but instead she's stuck at her exclusive boarding school for children of the rich and famous. She's determined to escape, until she meets Callum, the son of the Prime Minister, who claims he was kidnapped by dragons a year ago and hasn't been the same since. And when Dirk's own investigation into dragon activity brings him to the school, the two cases collide. What if Callum isn't as crazy as he seems?

It's a dark and stormy night when three sleuthing little girls get pulled into a web of mystery. They have mistakenly uncovered a secret society of some of the most famous female spies in history. A glamorous spy named Josephine Baker enlists the girls to find out who has kidnapped Chiquita, her precious pet cheetah. Do the girls have what it takes to become spies themselves?

Eleanor has just moved to the quiet, prosperous Eden Eld. When she awakes to discover an ancient grandfather clock that she's never seen before outside her new room, she's sure her eyes must be playing tricks on her. But then she spots a large bird, staring at her as she boards the school bus. And a black dog with glowing red eyes follows her around town. All she wants is to be normal, and these are far from normal. And worse - no one else can see them.

Far away from his magical library, everyone's favorite game maker, Luigi Lemoncello, is building something new. Something SECRET. And he's about to let the world see it. He'll reveal that hidden deep within the Lemoncello-tastic new building is a single ticket. A titanium ticket. Four lucky boys and girls are about to win the chance to go inside the building on a spectacular scavenger hunt that will take them through bigger-than-life live-action games, each getting them closer to the titanium ticket. But the real secret? Mr. Lemoncello is thinking about his legacy....

Willa and her clan are the last of the Faeran, an ancient race of forest people who have lived in the Great Smoky Mountains for as long as the trees have grown there. But as crews of newly arrived humans start cutting down great swaths of the forest she loves, Willa is helpless to stop them. How can she fight the destroyers of the forest and their powerful machines?

From the artfully sinister The Case of the Second Scream, set aboard the ship carrying Daisy and Hazel's back from Hong Kong, to The Case of the Uninvited Guest, where a Uncle Felix and Aunt Lucy's wedding ceremony is the target for an unlikely threat. The Hound of Weston School sees the Junior Pinkerton's lead the detecting, and May Wong steps up and shows her ambition to be the greatest spy ever when war breaks out in The Case of the Deadly Flat.