The Secret Tree


Natalie Standiford - 2012
    There's the Witch House, a spooky old farmhouse on the other side of woods from where Minty and her best friend, Paz, live. There's the Man Bat, a seven-foot-tall half man, half bat who is rumored to fly through the woods. And there are the Mean Boys, David and Troy, who torment Minty for no reason, and her boy-crazy older sister, Thea, who acts weirder and weirder.One day Minty spots a flash in the woods, and when she chases after it, she discovers a new mystery--a Secret Tree, with a hollow trunk that holds the secrets of everyone in the neighborhood. Secrets like:I put a curse on my enemy. And it's working.I'm betraying my best friend in a terrible way.No one loves me except my goldfish.

Masterminds


Gordon Korman - 2015
    Eli Frieden has never left Serenity, New Mexico...why would he ever want to? Then one day, he bikes to the edge of the city limits and something so crazy and unexpected happens, it changes everything.Eli convinces his friends to help him investigate further, and soon it becomes clear that nothing is as it seems in Serenity. The clues mount to reveal a shocking discovery, connecting their ideal crime-free community to some of the greatest criminal masterminds ever known.The kids realize they can trust no one—least of all their own parents.

Book Scavenger


Jennifer Chambliss Bertman - 2015
    A found cipher. A game begins . . . .Twelve-year-old Emily is on the move again. Her family is relocating to San Francisco, home of her literary idol: Garrison Griswold, creator of the online sensation Book Scavenger, a game where books are hidden all over the country and clues to find them are revealed through puzzles. But Emily soon learns that Griswold has been attacked and is in a coma, and no one knows anything about the epic new game he had been poised to launch. Then Emily and her new friend James discover an odd book, which they come to believe is from Griswold and leads to a valuable prize. But there are others on the hunt for this book, and Emily and James must race to solve the puzzles Griswold left behind before Griswold's attackers make them their next target.

Beyond the Bright Sea


Lauren Wolk - 2017
    Abandoned and set adrift on a small boat when she was just hours old, Crow's only companions are Osh, the man who rescued and raised her, and Miss Maggie, their fierce and affectionate neighbor across the sandbar.Crow has always been curious about the world around her, but it isn't until the night a mysterious fire appears across the water that the unspoken question of her own history forms in her heart. Soon, a chain of events is triggered, leading Crow down a path of discovery and danger.

The Puzzling World of Winston Breen


Eric Berlin - 2007
    But when his sister uncovers mysterious wooden strips with words and letters that even Winston can't figure out, the entire family is obsessed. It turns out the strips are part of a scavenger hunt that a town patriarch set up for his children. If all four sets are put together, they will lead to a ring worth thousands of dollars. Cooperating seems like a no-brainer to Winston, but to solve the puzzle, the group has to overcome mysterious threats, mutual mistrust, 25-yearold clues, and participants who will do anything to keep the treasure for themselves. Chock full of puzzles to solve, some involving the mystery and others Winston runs into along the way, this treasure hunt will keep readers challenged right to the end.

The Mad Wolf's Daughter


Diane Magras - 2018
    Her father, the Mad Wolf of the North, and her beloved brothers are a fearsome war-band, but now Drest is the only one who can save them. So she starts off on a wild rescue attempt, taking a wounded invader along as a hostage.Hunted by a bandit with a dark link to her family’s past, aided by a witch whom she rescues from the stake, Drest travels through unwelcoming villages, desolate forests, and haunted towns. Every time she faces a challenge, her five brothers speak to her in her mind about courage and her role in the war-band. But on her journey, Drest learns that the war-band is legendary for terrorizing the land. If she frees them, they’ll not hesitate to hurt the gentle knight who’s become her friend.Drest thought that all she wanted was her family back; now she has to wonder what their freedom would really mean. Is she her father’s daughter or is it time to become her own legend?

Escape from Mr. Lemoncello's Library


Chris Grabenstein - 2013
    His hero, Luigi Lemoncello, the most notorious and creative gamemaker in the world, just so happens to be the genius behind the building of the new town library.Lucky Kyle wins a coveted spot to be one of the first 12 kids in the library for an overnight of fun, food, and lots and lots of games. But when morning comes, the doors remain locked. Kyle and the other winners must solve every clue and every secret puzzle to find the hidden escape route. And the stakes are very high.In this cross between Charlie and the Chocolate Factory and A Night in the Museum, Agatha Award winner Chris Grabenstein uses rib-tickling humor to create the perfect tale for his quirky characters. Old fans and new readers will become enthralled with the crafty twists and turns of this ultimate library experience.

Eleven


Patricia Reilly Giff - 2008
    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.

Took: A Ghost Story


Mary Downing Hahn - 2015
    He figures Brody’s probably just trying to scare him since he’s the new kid . . . a “stuck-up snot” from Connecticut. But Daniel’s seven-year-old sister Erica has become more and more withdrawn, talking to her lookalike doll. When she disappears into the woods one day, he knows something is terribly wrong. Did the witch strike? Has Erica been “took”?

Woof


Spencer Quinn - 2015
    Bowser is a very handsome and only slightly slobbery dog, and he can smell lots of things. Like bacon. And rawhide chews! And the sweat on humans when they're lying.Birdie Gaux, the girl Bowser lives with, also knows something is wrong. It's not just that her grammy's stuffed prize marlin has been stolen. It's the weird rumor that the marlin is linked to a missing treasure. It's the truck that seems to be following Birdie and the bad feeling on the back of her neck. When Birdie and Bowser start digging into the mystery, not even Bowser's powerful sniffer can smell just how menacing the threat is. And when the danger comes straight for Birdie, Bowser knows it is up to him to sic 'em.

Umbrella Summer


Lisa Graff - 2000
    That's why being careful is so important, even if it does mean giving up some of her favorite things, like bike races with her best friend, Rebecca, and hot dogs on the Fourth of July. Everyone keeps telling Annie not to worry so much, that she's just fine. But they thought her brother, Jared, was just fine too, and Jared died.

The Blackthorn Key


Kevin Sands - 2015
    With time running out, Christopher must use every skill he’s learned to discover the key to a terrible secret with the power to tear the world apart.

Charlie Thorne and the Last Equation


Stuart Gibbs - 2019
    Charlie Thorne is a genius. Charlie Thorne is a thief. Charlie Thorne isn’t old enough to drive. And now it’s up to her to save the world. Decades ago, Albert Einstein devised an equation that could benefit all life on earth—or destroy it. Fearing what would happen if the equation fell into the wrong hands, he hid it. But now, a diabolical group known as the Furies are closing in on its location. In desperation, a team of CIA agents drags Charlie into the hunt, needing her brilliance to find it first—even though this means placing her life in grave danger!

Frost Hollow Hall


Emma Carroll - 2013
    They were great tall things, the ironwork all twisted leaves and queer-looking flowers. And they were very definitely shut.'Tilly's heart sinks. Will's at the door of their cottage, daring her to come ice-skating up at Frost Hollow Hall. No one goes near the place these days. Rumour has it that the house is haunted . . . Ten years ago the young heir, Kit Barrington, drowned there in the lake. But Tilly never turns down a dare.Then it goes horribly wrong. The ice breaks, Tilly falls through and almost drowns. At the point of death, a beautiful angel appears in the water and saves her. Kit Barrington's ghost.Kit needs Tilly to solve the mystery of his death, so that his spirit can rest in peace. In order to discover all she can, Tilly gets work as a maid at Frost Hollow Hall. But the place makes her flesh crawl. It's all about the dead here, she's told, and in the heart of the house she soon discovers all manner of dark secrets . . .'Frost Hollow Hall' is a thrilling historical fiction debut. Told in Tilly's unique voice, it is a tale of love and loss, and how forgiveness is the key to recovery.

The Ring of Rocamadour


Michael D. Beil - 2009
    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.