Sammy Keyes and the Curse of Moustache Mary by Wendelin VanDraanen: When Sammy and her friends meet Lucinda Huntley walking her 200-pound pig down the middle of the road, their quiet weekend in the country quickly becomes an adventure. Lucinda tells them a true tale of the Wild West, her great-grandma Moustache Mary, and a century-old family feud.But this feud is hardly ancient history. Past and present collide—and combust!—when Mary's pioneer cabin burns to the ground. Sammy thinks the cause of the fire may be a hundred years old, but still, the gas can she finds near the scene of the crime is shiny and new.

Under the Egg by  Laura Marx Fitzgerald: 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. 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. To solve the mystery, she'll have to abandon her hard-won self-reliance and build a community, one serendipitous friendship at a time.

Boxcar Children by Gertrude Chandler Warner: Henry, Jessie, Violet, and Benny Alden take care of one another. They have no parents, no other family—except for a grandfather they don’t care to see—and no home . . . until the night they find the boxcar. Old, rusty, lonely, and abandoned in the woods, it’s the perfect home for four brave children on their own. Through hard work and courage, the Aldens begin to build a life full of fun and adventure. But when they’re faced with a problem they can’t solve themselves, they’re forced to look for adult help—and will find it in the most unlikely ally.

 Crime Travelers by Paul Aertker: While sleeping on the roof of his father's hotel-spy school, thirteen-year-old Lucas Benes finds a baby all alone and learns that the Good Company has restarted its profitable brainwashing business. Lucas leads a group of friends through the hotspots of Paris-- from the catacombs to the Eiffel tower--in an all-out effort to sabotage a brainwashing ceremony that could potentially turn them all into "Good" kids.

The Westing Game by Ellen Raskin: A bizarre chain of events begins when sixteen unlikely people gather for the reading of Samuel W. Westing’s will. And though no one knows why the eccentric, game-loving millionaire has chosen a virtual stranger—and a possible murderer—to inherit his vast fortune, on things for sure: Sam Westing may be dead…but that won’t stop him from playing one last game!

Dying to Meet You by Kate Klise: Ignatius B. Grumply moves into the Victorian mansion at 43 Old Cemetery Road hoping to find some peace and quiet so he can crack a wicked case of writer’s block. But 43 Old Cemetery Road is already occupied by eleven-year-old Seymour, his cat Shadow, and an irritable ghost named Olive. It’s hard to say who is more outraged. But a grumpy old ghost just might inspire this grumpy old man—and the abandoned kid? Well, let's just say his last name's Hope.

A-Z Mysteries by Ron Roy: A is for Author . . . A famous writer is coming to Green Lawn! Dink rushes to the bookstore to meet his favorite author, Wallis Wallace, and get all his books signed. But the author never shows up! Where is Wallis Wallace? It’s up to Dink and his friends Josh and Ruth Rose to track him down.

Alex Rider by Anthony Horowitz: They said his uncle Ian died in a car accident. But Alex Rider knows that’s a lie, and the bullet holes in the windshield prove it. Yet he never suspected the truth: his uncle was really a spy for Britain’s top secret intelligence agency. And now Alex has been recruited to find his uncle’s killers!

Eleven by Patricia Reilly Giff:  Sam is almost 11 when he discovers a locked box in the attic above his grandfather Mack’s room, and a piece of paper that says he was kidnapped. There are lots of other words, but Sam has always had trouble reading. He’s desperate to find out who he is, and if his beloved Mack is really his grandfather. At night he’s haunted by dreams of a big castle and a terrifying escape on a boat. Who can he trust to help him read the documents that could unravel the mystery? Then he and the new girl, Caroline, are paired up to work on a school project, building a castle in Mack’s woodworking shop. Caroline loves to read, and she can help. But she’s moving soon, and the two must hurry to discover the truth about Sam.

 The Series of Unfortunate Events by Lemony Snicket: Violet, Klaus, and Sunny Baudelaire are intelligent children. They are charming, and resourceful, and have pleasant facial features. Unfortunately, they are exceptionally unlucky.

39 Clues by Rick Riordan: Minutes before she died Grace Cahill changed her will, leaving her descendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39 Clues hidden around the world will reveal the family's secret, but no one has been able to assemble them. Now the clues race is on, and young Amy and Dan must decide what's important: hunting clues or uncovering what REALLY happened to their parents.

The Invention of Hugo Cabret by Brian Selznick: Orphan, clock keeper, and thief, Hugo lives in the walls of a busy Paris train station, where his survival depends on secrets and anonymity. But when his world suddenly interlocks with an eccentric, bookish girl and a bitter old man who runs a toy booth in the station, Hugo's undercover life, and his most precious secret, are put in jeopardy. A cryptic drawing, a treasured notebook, a stolen key, a mechanical man, and a hidden message from Hugo's dead father form the backbone of this intricate, tender, and spellbinding mystery.