Perfect for fans of Margaret Peterson Haddix, When You Reach Me, and Savvy, this charming time-travel story from husband-and-wife team Marisa de los Santos and David Teague follows one girl's race to change the past in order to save her father's future. Thirteen-year-old Margaret knows her father is innocent, but that doesn't stop the cruel Judge Biggs from sentencing him to death. Margaret is determined to save her dad, even if it means using her family's secret-and forbidden-ability to time travel. With the help of her best friend, Charlie, and his grandpa Josh, Margaret goes back to a time when Judge Biggs was a young boy and tries to prevent the chain of events that transformed him into a corrupt, jaded man. But with the forces of history working against her, will Margaret be able to change the past? Or will she be pushed back to a present in which her father is still doomed? Told in alternating voices between Margaret and Josh, this heartwarming story shows that sometimes the forces of good need a little extra help to triumph over the forces of evil.

Some people think that museums are boring places full of glass cases, dust and stuff no one cares about: wrong! In a hidden headquarters below the exhibits there's a gang ready to handle dangerous, spooky or just plain weird problems: the Museum Mystery Squad. Techie-genius Nabster, mile-a-minute Kennedy and sharp-eyed Laurie (along with Colin the hamster!) tackle the surprising conundrums happening at the museum. From pre-historic creatures that move and secret Egyptian codes to missing treasure and strange messages from the past, there's no brain-twisting, totally improbable puzzle the Squad can't solve. -------------- The discovery of new Viking treasure brings the museum its biggest exhibit yet -- a giant longboat. With such a huge attraction on show there's plenty of room to hide a secret, or two. In the Case of the Vanishing Viking, the Squad investigate legendary longboats, rare runes and hidden hoards to try to solve their latest mystery. --------------- Young readers will love the riddles, red herrings and big reveals jam-packed into this fun-filled series of mystery stories by Mike Nicholson. The enjoyable extras like wacky facts and activities, as well as zany illustrations by Mike Phillips, will keep amateur detectives entertained for hours.

James R. Hannibal presents a thrilling adventure through history, complete with mysteries, secret items, codes, and a touch of magic in this stunning middle grade debut. Thirteen-year-old Jack Buckles is great at finding things. Not just a missing glove or the other sock, but things normal people have long given up on ever seeing again. If only he could find his father, who has disappeared in London without a trace. But Jack's father was not who he claimed to be. It turns out that he was a member of a secret society of detectives that has served the crown for centuries--and membership into the Lost Property Office is Jack's inheritance. Now the only way Jack will ever see his father again is if he finds what the nefarious Clockmaker is after: the Ember, which holds a secret that has been kept since the Great Fire of London. Will Jack be able to find the Ember and save his father, or will his talent for finding things fall short?

A soaring and heartfelt story about love, forgiveness, and how innocence makes us all rise up.

All Rise for the Honorable Perry T. Cook is a powerful middle grade novel, perfect for fans of Wonder and When You Reach Me, from Leslie Connor, the award-winning author of Waiting for Normal and Crunch.

From comes Eleven-year-old Perry was born and raised by his mom at the Blue River Co-ed Correctional Facility in tiny Surprise, Nebraska. His mom is a resident on Cell Block C, and so far Warden Daugherty has made it possible for them to be together. That is, until a new district attorney discovers the truth—and Perry is removed from the facility and forced into a foster home.

When Perry moves to the “outside” world, he feels trapped. Desperate to be reunited with his mom, Perry goes on a quest for answers about her past crime. As he gets closer to the truth, he will discover that love makes people resilient no matter where they come from . . . but can he find a way to tell everyone what home truly means?

Piper Gray starts a true-crime podcast investigating a seventeen-year-old cold case in this thrilling YA murder mystery by New York Times bestselling author April Henry. Seventeen years ago, Layla Trello was murdered and her killer was never found. Enter true-crime fan Piper Gray, who is determined to reopen Layla's case and get some answers. With the help of Jonas-who has a secret of his own-Piper starts a podcast investigating Layla's murder. But as she digs deeper into the mysteries of the past, Piper starts receiving anonymous threats telling her to back off the investigation, or else. The killer is still out there, and Piper must uncover their identity before they silence her forever.

The thrilling new novel from the award-winning author of I Have No Secrets

A chance meeting and a secret message drags Libby into a thrilling mystery, but no one believes she can spot the clues. Can she make them realise what she is really capable of, before it’s too late?

Libby is visually impaired but that doesn’t stop her being a keen photographer. She loves going out walking with her guide dog, Samson, and taking photos, but her family worry about her – and Libby wishes she could be more independent.

The day that the boy gives her a secret note to deliver changes everything. Because soon after, the boy goes missing, and no one – except Libby and her new friend Kyle – thinks there is anything to worry about.

Libby knows there's no way her parents would let her get involved. But what if she’s the only person who can solve the mystery...?

A compulsive page-turner for readers aged 12 and up.

An illustrated adaptation of Sir Arthur Conan Doyle's classic Sherlock Holmes mystery - at an easy-to-read level for readers of all ages! Also includes a QR code for the free audiobook! The Red-Headed League is looking for a new member to assist with minor tasks. The salary for this position will be four pounds a week. All red-headed men in good health and over the age of twenty-one will be considered. After Jabez Wilson's well-paid position with the Red-Headed League ends with no warning, he asks Holmes to find out why. What starts out as a straightforward investigation turns into a midnight stake-out as Holmes attempts to prevent a shocking crime.

"Schoolhouse Mystery" The Boxcar Children are spending the summer in a tiny, quiet New England fishing village. The little schoolhouse doesn't have a proper teacher, so the Aldens are teaching There's also a very old library where nobody ever goes -- nobody, that is, except for a mysterious stranger. For such a small town, Port Elizabeth has a lot of secrets "Caboose Mystery" When the Aldens spend the summer riding on a train, they get to live in a train car once again -- this time, they're staying in Caboose No. 777. The number is hard to forget, and indeed, the children meet people at each stop who seem to know it well. It turns out Caboose No. 777 has an unusual past -- one that comes with its very own mystery "Houseboat Mystery" The Aldens are spending the summer traveling on a houseboat But someone is watching them -- and the thing that he wants is somewhere on their boat He'll stop at nothing to get it and it's up to the Boxcar Children to figure out why

After solving the case of Truly Devious, Stevie Bell investigates her first mystery outside of Ellingham Academy in this spine-chilling and hilarious stand-alone mystery from New York Times bestselling author Maureen Johnson. Amateur sleuth Stevie Bell needs a good murder. After catching a killer at her high school, she's back at home for a normal (that means boring) summer. But then she gets a message from the owner of Sunny Pines, formerly known as Camp Wonder Falls-the site of the notorious unsolved case, the Box in the Woods Murders. Back in 1978, four camp counselors were killed in the woods outside of the town of Barlow Corners, their bodies left in a gruesome display. The new owner offers Stevie an invitation: Come to the camp and help him work on a true crime podcast about the case. Stevie agrees, as long as she can bring along her friends from Ellingham Academy. Nothing sounds better than a summer spent together, investigating old murders. But something evil still lurks in Barlow Corners. When Stevie opens the lid on this long-dormant case, she gets much more than she bargained for. The Box in the Woods will make room for more victims. This time, Stevie may not make it out alive. * Cosmopolitan Best YA Books of 2021 * People Magazine Best Books of Summer 2021*

Secrets have a way of floating to the surface. . . . Mystery, compelling characters, and an abandoned town beneath a lake make for a must-read adventure.
On the day Cassie was born, they drowned her town. The mayor flipped a lever and everyone cheered as Old Lower Grange was submerged beneath five thousand swimming pools' worth of water. Now, twelve years later, Cassie feels drawn to the manmade lake and the mysteries it hides -- and she's not the only one. Her classmate Liam, who wears oversized swim trunks to cover the scars on his legs, joins Cassie in her daily swims across the off-limits side of the lake. As the summer heats up, the water drops lower and lower, offering them glimpses of the ghostly town and uncovering secrets one prominent town figure seems anxious to keep submerged. But like a swimmer who ventures too far from shore, Cassie realizes she can't turn back. Can she bring their suspicions to light before it's too late -- and does she dare?

THE NUMBER ONE BESTSELLER

'This is that rare thing - a series that gets better with each book' Telegraph

The brilliant new mystery from the bestselling and award-winning author of Murder Most Unladylike.

Daisy and Hazel are finally back at Deepdean, and the school is preparing for a most exciting event: the fiftieth Anniversary.

Plans for a weekend of celebrations are in full swing. But all is not well, for in the detectives' long absence, Deepdean has changed. Daisy has lost her crown to a fascinating new girl - and many of the Detective Society's old allies are now their sworn enemies.

Then the girls witness a shocking incident in the woods close by - a crime that they're sure is linked to the Anniversary. As parents descend upon Deepdean, decades-old grudges, rivalries and secrets begin to surface, and soon Deepdean's future is at stake.

Can the girls solve the case - and save their home?

'Riotously retro' Financial Times

So I agreed to play the part of Esther Rackham in a film about the heist that gave River Heights its name, and there was all this trouble on the set, and I figured out who was behind it. Case closed, right?
Wrong
Once the camera starts rolling, a huge fire breaks out on the set, setting back production "again." We're running out of time and funds. At least the fire turns up a key clue about who started it, but I'll have to continue juggling acting and sleuthing. Because it might be up to me to save this film from going up in flames....

Justice Jones, super-smart super-sleuth, is back for her second spine-tingling adventure! For fans of Robin Stevens, Katherine Woodfine and Enid Blyton.

When Justice returns for spring term at Highbury House, it's not long before murder is back on her mind. Assigned to look after the elderly Mr Arthur in Smugglers' Lodge on the other side of the marshes from school, Justice is initially dismayed. But dismay quickly gives way to intrigue as she finds herself drawn to Mr Arthur and his stories of piloting in the First World War - and especially when Dorothy, who lives nearby, tells her that the lodge is haunted.

But when Mr Arthur dies in mysterious circumstances, Justice soon has a list of questions in her journal: why hasn't he been given a proper military funeral? Why does the new Matron not seem to know much about First Aid? And what secrets does Smugglers' Lodge really hold?

Justice sets out to uncover the deadly truth in this brilliant follow-up to A Girl Called Justice.

A SEARCH FOR A MISSING HORSE LEADS NANCY TO A DARK DISCOVERY!

Nancy's attending the Midwest Grand Prix Dressage Championships, where many of the world's best riders and finest horses compete. But more than blue ribbons is at stake. As Nancy quickly learns, these horses generate big money, turning a friendly competition into a very nasty business.

Discovering a fire in the stables, Nancy barely averts a terrible tragedy. But now she faces a new danger: a valuable horse has vanished, and it's up to Nancy to save it. She pursues the truth down a trail of greed, deception, and sinister secrets...only to find herself in jeopardy!

In this second book of a fresh approach to a classic series, Frank and Joe track down violent pranksters.
Rich girl Lindsay Peyton is throwing the biggest and best Sweet Sixteen bash that Bayport has ever seen. But her party planning is off to a bad start when Frank and Joe discover that someone has keyed her very expensive car--an early birthday present--and has put the mean prank up on YouView.
Soon after the prank goes viral, a group calling themselves the Scaredevils begin to film themselves committing acts of violent vandalism around town. Broken windows, Dumpster fires, and more threaten the security of Lindsay's party--and of Lindsay herself.
Frank and Joe are determined to figure out who is the mastermind behind the videos before Lindsay's Sweet Sixteen turns into a party she will never forget...for all the wrong reasons.

What happened in the woods that day? Pete Hautman's riveting middle-grade novel touches on secrets and mysteries -- and the power of connections with family and friends.

"Hatred combined with lies and secrets can break the world." Grandpa Zach used to say that before he died, but Stuey never really knew what he meant. It was kind of like how he used to talk about quantum physics or how he used to say ghosts haunted their overgrown golf course. But then one day, after Stuey and his best friend, Elly Rose, spend countless afternoons in the deadfall in the middle of the woods, something totally unbelievable happens. As Stuey and Elly Rose struggle to come to grips with their lives after that reality-splitting moment, all the things Grandpa Zach used to say start to make a lot more sense. This is a book about memory and loss and the destructive nature of secrets, but also about the way friendship, truth, and perseverance have the ability to knit a torn-apart world back together.

Move over, Betty and Veronica - this is Daphne and Velma like you've never seen before! This dark new series of YA novels is a horror-driven twist on the classic girl detectives from Scooby-Doo. Despite their differences, Daphne and Velma were able to solve the mystery of The Vanishing Girl. But there are a lot of secrets buried in the town of Crystal Cove. And the biggest case of all still remains unsolved ... why did the town's original settlers all disappear? What happened to them? Velma is determined to find out ... especially because her family's ancestors were among the disappeared. And now that she and Daphne have started to get a reputation for solving mysteries, everyone in town is looking to them for answers. But digging up the past can be dangerous ... especially when some people in town have profited from the mystery for so long. Can these two intrepid teen detectives crack the case ... and escape with their lives?