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!"

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 Now he has written an account that should not be published that shouldn't be read.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.

The Maze of Bones


Rick Riordan - 2008
    When their beloved aunt--matriarch of the world's most powerful family--dies, orphaned siblings Amy and Dan Cahill compete with less honorable Cahill descendants in a race around the world to find cryptic clues to a mysterious fortune.Book includes game cards which the reader may use to play an online version of the treasure hunt.

Under the Egg


Laura Marx Fitzgerald - 2014
    Basil E. Frankweiler meets Chasing Vermeer in this clever middle-grade debut.When Theodora Tenpenny spills a bottle of rubbing alcohol on her late grandfather’s painting, she discovers what seems to be an old Renaissance masterpiece underneath. That’s great news for Theo, who’s struggling to hang onto her family’s two-hundred-year-old townhouse and support her unstable mother on her grandfather’s legacy of $463. There’s just one problem: Theo’s grandfather was a security guard at the Metropolitan Museum of Art, and she worries the painting may be stolen.With the help of some unusual new friends, Theo’s search for answers takes her all around Manhattan, and introduces her to a side of the city—and her grandfather—that she never knew. To solve the mystery, she’ll have to abandon her hard-won self-reliance and build a community, one serendipitous friendship at a time.

The Girl of Ink and Stars


Kiran Millwood Hargrave - 2016
    As a cartographer’s daughter, she’s equipped with elaborate ink maps and knowledge of the stars, and is eager to navigate the island’s forgotten heart.But the world beyond the walls is a monster-filled wasteland – and beneath the dry rivers and smoking mountains, a legendary fire demon is stirring from its sleep. Soon, following her map, her heart and an ancient myth, Isabella discovers the true end of her journey: to save the island itself.

Mandie and the Secret Tunnel


Lois Gladys Leppard - 1983
    Mandie's move into a neighbor family's home, when her mother remarries, does not soften her grief. Her only comfort is the promise from her father's faithful Cherokee friend, Uncle Ned, to watch out for her and be a friend. Will Mandie be able to escape her new and nearly intolerable home situation? Will she find her long-lost family? Will the mysterious key unlock the door to the secret tunnel and her own family's history?For children 8-13, mystery adventures set in the North Carolina backwoods at the turn of the century.

The Bobbsey Twins of Lakeport


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

The Emerald Atlas


John Stephens - 2011
    Ripped from their parents as babies, they are being protected from a horrible evil of devastating power, an evil they know nothing about.Until now.Before long, Kate, Michael, and Emma are on a journey through time to dangerous and secret corners of the world...a journey of allies and enemies, of magic and mayhem. And — if an ancient prophesy is correct — what they do can change history, and it is up to them to set things right.

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 London Eye Mystery


Siobhan Dowd - 2007
    Ted and Kat watch their cousin Salim get on board the London Eye. He turns and waves and the pod rises from the ground.Monday, 24 May, 12.02 p.m. The pod lands and the doors open. People exit in all shapes and sizes – but where is Salim?Ted and his older sister Kat become sleuthing partners since the police are having no luck. Despite their prickly relationship, they overcome their differences to follow a trail of clues across London in a desperate bid to find their cousin. And ultimately it comes down to Ted, whose brain runs on its own unique operating system, to find the key to the mystery.In Spring 2009. the Unicorn Theatre adapted The London Eye Mystery for the stage. The story was adapted by Unicorn Artistic Associate Carl Miller, directed by Rosamunde Hutt and performed by the Unicorn ensemble and received a host of rave reviews.

Sammy Keyes and the Hotel Thief


Wendelin Van Draanen - 1998
    Now Sammy's witnessed a crime at the Heavenly Hotel-a light fingered thief stealing $4,000 from Madame Nashira, the astrologer with the fire-hazard hair-do. Thing is, while she was watching him, he was watching her, too...Fast-paced and funny, packed with menacing suspects and clever clues, the Sammy Keyes mysteries keep you guessing to the last riveting page.

The Ghost's Grave


Peg Kehret - 2005
    Willie has been waiting years for some kind soul to dig up his leg and rebury it with the rest of him--only then will he be at peace. Josh agrees to do the grisly deed, but when he digs in the old cemetery, he finds more than Willie's leg bones! Who buried the box of cash in the grave, and why? How far will that person go to get the money back? The Ghost's Grave is a deliciously spooky adventure from a master of suspense.

The Secret of the Old Clock


Carolyn Keene - 1930
    To the surprise of many, the Topham family will inherit wealthy Josiah Crowley's fortune, instead of deserving relatives and friends who were promised inheritances. Nancy determines that a clue to a second will might be found in an old clock Mr. Crowley had owned and she seeks to find the timepiece. Her search not only tests her keen mind, but also leads her into a thrilling adventure.

The Kneebone Boy


Ellen Potter - 2010
    But after their father unwittingly sends them to stay with an aunt who’s away on holiday, the Hardscrabble children take off on an adventure that begins in the seedy streets of London and ends in a peculiar sea village where legend has it a monstrous creature lives who is half boy and half animal. . . . In this wickedly dark, unusual, and compelling novel, Ellen Potter masterfully tells the tale of one deliciously strange family and a secret that changes everything.

A Place Called Perfect


Helena Duggan - 2012
    Violet never wanted to move to Perfect.Who wants to live in a town where everyone has to wear glasses to stop them going blind? And who wants to be neat and tidy and perfectly behaved all the time?But Violet quickly discovers there's something weird going on – she keeps hearing noises in the night, her mum is acting strange and her dad has disappeared.When she meets Boy she realizes that her dad is not the only person to have been stolen away...and that the mysterious Watchers are guarding a perfectly creepy secret!