This first one, "The Tower Mystery," introduced the action, mystery, and suspense themes. The boys continue to deliver thrills to this day.It all starts with the boys, Frank and Joe, on their motorcycles delivering important papers to a lawyer in Willowville for their father, Fenton Hardy. He's the well-known private investigator in Bayport. A reckless driver almost forces them over the embankment. It is not long before they find that their friend Chet's yellow jalopy has been stolen, possibly by the same red-haired driver! Stolen loot may be the issue. Later a dying criminal confesses that the loot has been stashed "in the tower" and the Hardy Boys make an astonishing discovery.

    When Daisy Wells and Hazel Wong set up a secret detective agency at Deepdean School for Girls, they struggle to find a truly exciting mystery to investigate. (Unless you count the case of Lavinia's missing tie. Which they don't.)But then Hazel discovers the body of the Science Mistress, Miss Bell - but when she and Daisy return five minutes later, the body has disappeared. Now the girls have to solve a murder, and prove a murder has happened in the first place before the killer strikes again (and before the police can get there first, naturally),But will they succeed? And can their friendship stand the test?

    But when a fourth child, Max, a knife-thrower, joins the group, it sets off an unforgettable chain of events. When the museum’s Amazonian shrunken head is stolen, the four are determined to get it back. But their search leads them to a series of murders and an explosive secret about their pasts. This sensational new series combines the unparalleled storytelling gifts of Lauren Oliver with the rich knowledge of the notorious relics collector H.C. Chester. What you will NOT find in this book:– An accountant named Seymour– A never-ending line at the post office– Brussel sprouts (shudder)– A lecture on finishing all your homework on time– A sweet, gooey story for nice little girls and boys.

    She lives in the Theater Royal on Drury Lane, a place filled with dramatic characters, theatrical spectacles, and now, a secret treasure--which Cat has been asked to protect. Her new friend Pedro, a former slave and gifted violinist, is eager to help, and so is the theater prompter, Jonathan, who is hiding secrets of his own. But when the ruthless gang leader Billy Shepherd learns about the treasure, Cat thinks she's going to lose it for sure. She still doesn't know what the treasure is, so how can she keep it safe from Billy and his gang? Follow Cat into the streets of London, as she faces danger and adventure, racing to be the first to discover the diamond of Drury Lane!

      When Stevie wins a writing contest for aspiring sports journalists, his prize is a press pass to the Final Four in New Orleans. While exploring the Superdome, he overhears a plot to throw the championship game. With the help of fellow contest winner Susan Carol, Stevie has just 48 hours to figure out who is blackmailing one of the star players . . . and why.   John Feinstein has been praised as “the best writer of sports books in America today” (The Boston Globe), and he proves it again in this fast-paced novel.   “A page-turning thriller and a basketball junkie’s bonanza.” —USA TodayFrom the Hardcover edition.

    Her knowledge of English literature, French, history, art and music is non-existent, but she has a thorough grounding in military tactics, can run a business, ride like a Cossack and shoot straight with a pistol.When her dear father is drowned in suspicious circumstances in the South China Sea, Sally is left to fend for herself, an orphan and alone in the smoky fog of Victorian London. Though she doesn't know it, Sally is already in terrible danger. Soon the mystery and the danger will deepen - and at the rotten heart of it all lies the deadly secret of the ruby in the smoke...

    Like every child in the city, she wears a silver guardchain and is forced to obey the dreaded Blessed Guardians. She has never done anything by herself and won’t be allowed out on the streets unchained until Separation Day.When Separation Day is canceled, Goldie, who has always been both impatient and bold, runs away, risking not only her own life but also the lives of those she has left behind. In the chaos that follows, she is lured to the mysterious Museum of Dunt, where she meets the boy Toadspit and discovers terrible secrets. Only the cunning mind of a thief can understand the museum’s strange, shifting rooms. Fortunately, Goldie has a talent for thieving.Which is just as well, because the leader of the Blessed Guardians has his own plans for the museum—plans that threaten the lives of everyone Goldie loves. And it will take a daring thief to stop him. . . .Museum of Thieves is a thrilling tale of destiny and danger, and of a courageous girl who has never been allowed to grow up—until now.

    But that was before he inherited twenty billion pounds, a Caribbean island, a yacht, and three estates from a great-aunt he never knew. With this fortune, however, comes a letter. One from his great-aunt Geraldine. One that tells Gerald that she was murdered, and that it's up to him to find out why.Along with his friends Ruby and Sam, Gerald embarks on a journey that will lead him from the British Museum to dodgy social clubs for the disgustingly rich to mansions in the English countryside to secret places far underground. Who was Geraldine Archer? And what secrets was she hiding? Unless Gerald, Sam, and Ruby can find out before the killer does, they may be next.

    The creaky smuggler’s inn is always quiet during this season, and twelve-year-old Milo, the innkeepers’ adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo’s home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects go missing and tempers flare, Milo and Meddy, the cook’s daughter, must decipher clues and untangle the web of deepening mysteries to discover the truth about Greenglass House—and themselves.

    And ended with . . . well, if we told you that, it wouldn’t be a mystery! But in between The Scream and The Very Surprising Ending, three friends find themselves on a scavenger hunt set up for a girl they never met, in search of a legendary ring reputed to grant wishes. Are these sleuths in school uniforms modern-day equivalents of Nancy, Harriet, or Scooby? Not really, they’re just three nice girls who decide to help out a weird lady, and end up hiding under tables, tackling word puzzles and geometry equations, and searching rather moldy storage rooms for “the stuff that dreams are made of” (that’s from an old detective movie). Oh, and there’s A Boy, who complicates things. As boys often do.Intrigued? The Red Blazer Girls offers a fun, twisty adventure for those who love mystery, math (c’mon, admit it!), and a modest measure of mayhem.Michael Beil, a New York City high school English teacher, makes his literary debut with this fun and brainy mystery.

    Basil E. Frankweiler comes a clever, treasure-hunt mystery based on a real-life art heist. Moxie Fleece knows the rules and follows them--that is, until the day she opens her front door to a mysterious stranger. Suddenly Moxie is involved in Boston's biggest unsolved mystery: The Isabella Stewart Gardner Museum art heist. Moxie has two weeks to find the art, otherwise she and the people she loves will be in big-time danger.Her tools? Her best friend, Ollie, a geocaching addict who loves to find stuff; her Alzheimer's suffering grandfather, Grumps, who knows lots more than he lets on; and a geometry proof that she sets up to sort out the clues.It's a race against the clock through downtown Boston as Moxie and Ollie break every rule she's ever lived by to find the art and save her family.

    or bust. Unfortunately for him, his personality doesn’t exactly scream “secret agent.” In fact, Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate math skills, Ben isn't surprised when he is recruited for a magnet school with a focus on science—but he’s entirely shocked to discover that the school is actually a front for a junior C.I.A. academy. Could the C.I.A. really want him?Actually, no. There’s been a case of mistaken identity—but that doesn’t stop Ben from trying to morph into a supercool undercover agent, the kind that always gets the girl. And through a series of hilarious misadventures, Ben realizes he might actually be a halfway decent spy…if he can survive all the attempts being made on his life!

    For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now.This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent. OPERATION TRINITY chronicles the first Vesper attack on the altarpiece in the 1600s, then jumps to WWII and young Grace Cahill’s desperate bid to save the masterwork from the Nazis. The final piece of the novel tells the story of Ian and Natalie Kabra’s first solo operation and features an 11th hour appearance by Grace Cahill on her final mission.History will never be the same.

    She's determined to communicate with spirits from the Other Side and become a crack investigator of spooky, twisted mysteries. After wrangling an invitation to visit relatives in San Francisco, Gilda discovers that her dreary, tight-lipped uncle and his strange, delicate daughter need her help to uncover the terrible family secret that has a tortured ghost stalking their home. From poignant to hair-raising and hilarious, this is a behind-the-scenes, tell-all account of the very first case in the illustrious career of Gilda Joyce, Psychic Investigator.

    Etheldreda's from attempting to hide the death of their headmistress in this rollicking farce. The students of St. Etheldreda's School for Girls face a bothersome dilemma. Their irascible headmistress, Mrs. Plackett, and her surly brother, Mr. Godding, have been most inconveniently poisoned at Sunday dinner. Now the school will almost certainly be closed and the girls sent home—unless these seven very proper young ladies can hide the murders and convince their neighbors that nothing is wrong. The Scandalous Sisterhood of Prickwillow Place is a smart, hilarious Victorian romp, full of outrageous plot twists, mistaken identities, and mysterious happenings.