The Vanishing Shadow


Margaret Sutton - 1932
    Her summer suddenly becomes interesting when she overhears some men talking about the Roulsville dam. Although, Judy does not understand the conversation, the men fear that she does and threaten her. Judy also becomes reacquainted with her childhood friend, Peter Dobbs, who gives her a cat that she names Blackberry, and meets the wealthy siblings, Arthur and Lois Farringdon-Pett. As the days pass, Judy learns that the Roulsville dam is cracked and may break during the next rain. The moment of truth arrives when a torrential downpour threatens the dam and Judy must rely on her seemingly cowardly brother Horace to warn the people of Roulsville of the danger. All Judy can do is hope that the dam holds long enough for Horace to warn the townspeople in time.

The Secret of the Mansion


Julie Campbell - 1948
    But then a millionaire's daughter moves into the next-door mansion, an old miser hides a fortune in his decrepit house, and a runaway kid starts hiding out in Sleepyside!"

Cherry Ames, Student Nurse


Helen Wells - 1942
    The U.S. is at war. Many nurses have gone to the front, and there is a shortage of RNs at Spencer-which Cherry and her classmates help to fill, as they learn the skills they need to graduate. And who is the mysterious patient in the secret room that no one seems to know anything about? Should Cherry risk expulsion to save his life?

The Tower Treasure


Franklin W. Dixon - 1927
    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.

The Bobbsey Twins of Lakeport


Laura Lee Hope - 1904
    Marden reports that some of her valuables have gone missing, the twins investigate.

The Fairy-Tale Detectives


Michael Buckley - 2005
    After the mysterious disappearance of their parents, the sisters are sent to live with their grandmother--a woman they believed was dead! Granny Relda reveals that the girls have two famous ancestors, the Brothers Grimm, whose classic book of fairy tales is actually a collection of case files of magical mischief. Now the girls must take on the family responsibility of being fairy tale detectives.

Girl Detective


R.A. Spratt - 2014
    But the biggest mystery yet is Ian Wainscott, the handsomest (and most arrogant) boy in school who inexplicably hates her. Will the homework be found? Can they ever track down the Yeti? And why is Ian out to ruin her?With black-and-white art throughout, this is the launch of an exciting new mystery series!

Basil of Baker Street


Eve Titus - 1958
    A devoted admirer of the great detective, he had learned his craft by listening at the feet of Holmes himself. The Mystery of the Missing Twins was one of the strangest cases in Basil's career. He had only a few crumbs of clues with which to find solutions to such baffling questions as: Who had masterminded the plot? Where were the twins, Angela and Agatha, being kept?

The Billionaire's Curse


Richard Newsome - 2009
    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.

Little House by Boston Bay


Melissa Wiley - 1999
    She always has something to look forward to—tending Mama's garden, visiting Papa's blacksmith shop, and embarking on her very own Scottish adventure!

The Case of the Missing Moonstone


Jordan Stratford - 2015
    Isolated, awkward and a bit rude—but a genius. Mary Godwin, age fourteen, is a romantic. Adventurous, astute, and kind, Mary is to become Ada’s first true friend. And together, the girls conspire to form the Wollstonecraft Detective Agency—a secret constabulary for the apprehension of clever criminals. Their first case involves a stolen heirloom, a false confession, and an array of fishy suspects. But it’s no match for the deductive powers and bold hearts of Ada and Mary.   Mystery fans will love this tween girl riff on Sherlock Holmes and John Watson. History buffs will be delighted to see all the real figures who play a role in this story and appreciate the extensive backmatter that helps separate truth from fiction. Parents and educators hoping to promote the STEM fields for girls will be thrilled to have a series where two girls use math, science, and creative analytical thinking to solve crimes. But most espicially--emerging readers will love this series filled with humor, action, intrigue and wonderful artwork from Kelly Murphy.From the Hardcover edition.

Who Could That Be at This Hour?


Lemony Snicket - 2012
    Far from anyone he knew or trusted, a young Lemony Snicket started an apprenticeship for a secret organization shrouded in mystery and secrecy. He asked questions that shouldn't have been on his mind. Now he has written an account that should not be published that shouldn't be read. Not even by you. Seriously, we recommend that you do NOT ask your parents for this, the first book in his new ALL THE WRONG QUESTIONS series.Lemony Snicket, in case you don't already know, grew up to be the author of A Series of Unfortunate Events series.

Murder Most Unladylike


Robin Stevens - 2014
    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?

The Magic Half


Annie Barrows - 2007
    When the family moves to an old farmhouse Miri accidentally travels back in time to 1935 only to discover Molly, a girl in need of a real family to call her own. A very satisfying classic-in-the-making, with spine-tingling moments, this is a delightful family-friendly middle grade time-slip novel.

The Illyrian Adventure


Lloyd Alexander - 1986
    But once Vesper and Brinnie arrive, they are plunged into a fierce struggle between rebel forces— and someone is out to kill the two of them! If anyone can triumph over those kind of odds, it's Vesper — one of Lloyd Alexander's most intrepid (and best-selling) heroines.