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Frank and Joe Hardy, brothers who are high school students, help a stranger at the train station to exchange a five-dollar bill—only to find out later that it was counterfeit. Bayport seems to be flooded with counterfeit money, and people are on guard. But many innocent people, including Mrs. Hardy, lose money in seemingly reasonable transactions. The Secret Service and Mr. Hardy know something is happening around Bayport, but they cannot discover who or where. The Hardy Boys use their investigation skills and courage in dangerous situations to discover the counterfeiting gang.

When Talibah and her younger brother, Adom, accompany their father, an academic, to his homeland of modern Egypt, they become involved in a mystery surrounding an ancient, lost pharaoh—a rare queen named Hatshepsut. Someone has tried to erase her from history, to make it appear as if she never existed! Now Hatshepsut is reaching out from beyond. She needs Talibah to help her and her high steward, Senenmut, reclaim their rightful place in history. Will Talibah and Adom succeed in setting history straight and, in turn, discover a link to their own mother, who died mysteriously?

This is the original 1927 story of The Tower Treasure: The Hardy Boys Book 1. Frank and Joe Hardy, brothers who are high school students, use their investigation skills to solve the mystery of the stolen treasure from the eccentric Applegates. After finally finding out who did it, the dying criminal confesses that the loot had been hidden “in the old tower.” The tower is searched in vain, but it remained for the Hardy boys to make an astonishing discovery that cleared up the mystery.

Best friends Maya and Tucker didn't expect to spend their spring break onboard the Titanic—in 1912. But now that they've discovered a special collection of artifacts has the power to send them back in time, they're on a mission. They must travel back in time again to save their friend Liam and his parents, third-class passengers onboard the Titanic, and change history. Can they convince the captain to change the course of the doomed ship before it hits the iceberg?

El famoso detective privado de Ciudad Amable, Sabueso Orejotas, y su ayudante, el gato Floro, son los únicos capaces de descubrir quiénes son los ladrones responsables del robo en casa de la anciana osa Aurelia. La escritora Luisa Villar Liébana regresa con otro de sus famosos detectives, tan perspicaz e inteligente como la gallina Cloti, y una historia de suspense que demuestra la importancia del trabajo en equipo. Esta nueva aventura de Sabueso Orejotas hará las delicias de los más jóvenes amantes del misterio y las historias policiacas.

Algo terrible está sucediendo en Ciudad Amable: ¡están desapareciendo todos los cachorros! Solo Sabueso Orejotas, el mejor investigador privado de la ciudad, y su ayudante, el gato Floro, son capaces de descubrir quién es el culpable de estas misteriosas desapariciones y de encontrar a los pequeños sanos y salvos.

Sabueso Orejotas es el investigador privado más famoso de Ciudad Amable. Él y su ayudante, el gato Floro, son los únicos que pueden descubrir a dónde ha ido a parar la colección de tazos de los gemelos Punki. La escritora Luisa Villar Liébana regresa con otro de sus famosos detectives, tan perspicaz e inteligente como la gallina Cloti, y una historia de suspense donde la tenacidad y el ingenio tienen su recompensa. Esta nueva aventura de Sabueso Orejotas hará las delicias de los más jóvenes amantes del misterio y las historias policiacas.

Richard Hsieh's life is about to become a total nightmare. His dad studies dreams and they hook his new Slappy doll up to the dream machine as a joke. All of a sudden, Richard's dreams are becoming scarier and scarier. Each time, seeing Slappy, his birthday present, come to life and wreak havoc. But they're only dreams, right?

In the fourth book of the Capital Mysteries—an early chapter book mystery series featuring fun facts and famous sites from Washington, D.C.—KC's mom is getting married...to the President of the United States! KC wants the day to be perfect, but someone keeps leaking wedding secrets. They newspapers have even printed where the president and his bride are going on their honeymoon. To save the wedding, KC and Marshall have to track down the spy in the White House!

There’s more than meets the eye when it comes to solving the world’s most curious capers. For middle school detectives Ava and Carol, it means sticking together, using their heads, and making sure justice is served swiftly and fairly. No matter where the trail may lead, Amy and Carol are on the case. Now, you too can give chase to jewel thieves, criminals, and power-hungry pilferers everywhere alongside this amazing dynamic duo.

Young reporter-in-training Kate and her mouse-accomplice Rupert are on board a train, to visit Kate's mum in the Arctic. But as soon as the train departs, mysterious things start happening. A packet of ginger nuts goes missing. A collection of gymnastics trophies are stolen. And some ancient scrolls disappear. Fellow passenger Madame Maude seems the most likely culprit, until a surprising—and delicious—twist turns the whole investigation on its head.

Justice and her friends are third years now and there's an intriguing new girl in Barnowls. Letitia has never been to school before and doesn't care for the rules - and the teachers don't seem to mind! She decides that Justice is her particular friend, much to Stella and Dorothy's distress. But Letitia just isn't the kind of girl you say no to. Then, after a midnight feast in the barn, and a terrifying ghost-sighting in the garden, a girl disappears. Soon ransom notes appear, and they're torn from the pages of a crime novel.

The kids in the third grade at Bailey Elementary are so hard to handle that all of their teachers have quit. But their new teacher, Mrs. Jeepers, is different, to say the least. She's just moved from the Transylvanian Alps, and she seems to have some strange powers that help her deal with these mischief-makers. Her methods may be a little unconventional, but, then again, Mrs. Jeepers may be just what the Bailey School kids need.

When Hedy and Spencer start receiving messages on dusty picture frames, Christmas at their grandfather's spooky house turns into a mission to solve the mystery of their grandmother's disappearance. What is their magician grandfather not telling them? With the help of a (talking) mounted stag head, an (also talking) bear rug and other (currently) disembodied spirits, and against the resistance of gargoyles and ravens, Hedy and Spencer set out to find the truth.

The town is building a new park for a panda and her baby. But as soon as the pandas arrive, the baby is stolen! All the panda-nappers want in return is a million dollars.... Can Dink, Josh, and Ruth Rose collar the culprits before Green Lawn has to cough up the cash?

Death Cloud is the first in Andrew Lane's Young Sherlock Holmes series in which the iconic detective is reimagined as a brilliant, troubled and engaging teenager – creating detective adventures that remain true to the spirit of the original books. The year is 1868, and Sherlock Holmes is...

Dangerous secrets lie in the audio of this book. Okay, I warned you. But if you think I'll give anything away or tell you that this is the sequel to my first literary endeavor, The Name of This Book Is Secret, you're wrong. I'm not going to remind you of how we last left our heroes, Cass and Max-Ernest, as they awaited initiation into the mysterious Terces Society, or the ongoing fight against the evil Dr. L and Ms. Mauvais.

When Lewis, his uncle Jonathan, and their friends Rose Rita Pottinger and Mrs. Zimmermann take a trip to a small town near Lake Superior, they expect a pleasant vacation. Instead, they find themselves facing the ghastly Ishmael Izard, son of the fiendish creator of the Doomsday Clock that was once hidden in the walls of Uncle Jonathan's house. Ishmael himself is a cruel and heartless sorcerer, and he is determined to wreak vengeance upon the entire world. Will Lewis and his friends be strong enough to defeat him, or will their fate be decided by their most formidable foe yet?

Meet 13-year-old Agatha Oddly - a bold, determined heroine, and the star of a stylish new detective series. Agatha Oddlow has been a detective for as long as she can remember - she’s just been waiting for her first big case. And nothing gets bigger than saving the City of London from some strange goings-on. With a scholarship to the prestigious St Regis School, a cottage in the middle of Hyde Park, a room full of beloved sleuthing novels and a secret key that gives her access to a whole hidden side of London, Agatha is perfectly poised to solve the mystery of what’s going on.

Sleuthing duo Emily and James tackle their most challenging mystery yet, set on the haunting Alcatraz Island. Legendary literary game maker Garrison Griswold is back in action - this time with "Unlock the Rock", an extravaganza on Alcatraz Island. But just as the fun starts to take off for Emily and James, important items from Griswold's game begin to disappear, and someone is framing Emily's brother, Matthew, as the criminal.