What if you inherited Sherlock Holmes's book of unsolved cases? Xena and Xander Holmes have just discovered they're related to Sherlock Holmes and have inherited his unsolved casebook! The siblings set out to solve the cases their famous ancestor couldn't, starting with the mystery of a prized painting that vanished more than a hundred years ago. Can two smart twenty-first-century kids succeed where Sherlock Holmes could not? Modern technology meets the classic detective story in The 100-Year-Old Secret, the first in Tracy Barrett's terrific new mystery series that will intrigue young sleuths everywhere!

In this suspenseful, gripping novel, teen twin girls raised separately meet for the first time at their mother's funeral. Quinn has been trained to never tell a lie. Piper is a practiced liar. Narrated in both voices, the story of their quest to learn truths that have been concealed from them is shadowed by a dark spell that beckons them to run at night with a pack of murdering ghost hounds. Suspense, menace, mystery, witchcraft, family secrets, mistaken identity, and romance are interwovenin a brilliantly written page-turner that will grab and thrill teen readers.

A trip to the Rockies to snowboard? Cool. Hanging out with champion snowboarders on the mountain? Really awesome! When twins Cody and Otis Chandler, along with their cousin Rae, join their dad at the Shadow Mountain Lodge, they're expecting a relaxed vacation. But after a series of strange and dangerous “accidents” aimed at two rival snowboarders, the twins set out to discover what's going on--before someone gets killed.

From the moment Otis and Cody Carson arrive on Skull Island to stay at their aunt's inn, they know something is wrong. A giant snake turns up on their aunt's bed, one of the rooms is violently ransacked, and then a celebrity guest goes missing. Could a ghost be responsible--or pirates?

Paris: city of light, catacombs, pastries…and art thieves? When Cody and Otis Chandler, their father, and their cousin Rae journey to France, they discover that there's a crime wave going on: hundreds of paintings have been stolen and replaced by forgeries. When the thief snatches their dad's painting, the twins can't resist getting involved. Will they find out the truth before it's too late? The ending involves a chase scene through the Paris catacombs--plenty of dead ends, skulls, danger, and…rats!

Look out, second grade-here comes Double Trouble! From the author of the bestselling Ready, Freddy! series comes a whole new set of adventures! Freddy's twin cousins, Kasey and Kelly, are twice the fun, and DOUBLE the TROUBLE! Twin sisters Kelly and Kasey are always getting into some kind of trouble. So of course April Fool's is their favorite holiday! This year the twins have plans to fool everyone, all day long-including the ultimate trick. This year, Kelly and Kasey are pulling a twin switcheroo! But can they fool the whole second grade?

A new generation is creating a monster.... When Doctor Victor Frankenstein died, he left behind a legacy of horror...as well as two unacknowledged, beautiful twin daughters. Now these girls are seventeen, and they've come to Frankenstein's castle to claim it as their inheritance. Giselle and Ingrid are twins, but they couldn't be more different. Giselle is a glamorous social climber who plans on turning Frankenstein's castle into a center of high society. Ingrid, meanwhile, is quiet and studious, drawn to the mysterious notebooks her father left behind...and the experiments he went mad trying to perfect. As Giselle prepares for lavish parties and Ingrid finds herself falling for the sullen, wounded naval officer next door, a sinister force begins to take hold in the castle. Nobody's safe as Frankenstein's legacy leads to a twisted, macabre journey of romance and horror.

Fifteen-year-old Pam is assaulted when she and her twin brother, Danny, are walking home through the woods. Danny is frozen with fear and does nothing; luckily, Pam is rescued by a woman out walking her dog. Pam deals with the trauma by isolating herself while Danny struggles with the shame of not protecting his sister. His shame is compounded by their father's contempt, and Danny decides to redeem himself by finding Pam's attacker. In the process, he discovers a family secret, and Pam connects with new friends who help her regain her confidence.

In a heart-pounding, atmospheric ghost story, a teenage boy must find the resources within himself to save his haunted twin brother. After their nan accidentally burns their home down, twin brothers Pat and Dom must move with their parents and baby sister to the seaside cottage they’ve summered in, now made desolate by the winter wind. It’s there that the ghost appears — a strange boy who cries black tears and fears a bad man, a soldier, who is chasing him. Soon Dom has become not-Dom, and Pat can sense that his brother is going to die — while their overwhelmed parents can’t even see what’s happening. Isolated and terrified, Pat needs to keep his brother’s cover while figuring out how to save him, drawing clues from his own dreams and Nan’s long-ago memories, confronting a mystery that lies between this world and the next — within the Grey. With white-knuckle pacing and a deft portrayal of family relationships, Celine Kiernan offers a taut psychological thriller that is sure to haunt readers long after the last page is turned.

“[An] absorbing novel that will appeal to fans of Rainbow Rowell.” —Booklist “A poignant and carefully crafted story.” —School Library Journal “A gorgeous, sad, funny, and wise book about letting go and finding your place in the world.” —Kathleen Glasgow, New York Times bestselling author of Girl in Pieces Parker struggles to reconnect with her twin brother, Charlie—who’s recovering from cancer—as she tries to deal with her anxiety about the future in this powerful new novel. Twins Parker and Charlie are polar opposites. Where Charlie is fearless, Parker is careful. Charlie is confident while Parker aims to please. Charlie is outgoing and outspoken; Parker is introverted and reserved. And of course, there’s the one other major difference: Charlie got cancer. Parker didn’t. But now that Charlie is officially in remission, life couldn’t be going better for Parker. She’s landed a prestigious summer internship at the hospital and is headed to Harvard in the fall to study pediatric oncology—which is why the anxiety she’s felt since her Harvard acceptance is so unsettling. And it doesn’t help that her relationship with Charlie has been on the rocks since his diagnosis. Enter Finn, a boy who’s been leaving strange graffiti messages all over town. Parker can’t stop thinking about those messages, or about Finn, who makes her feel free for the first time: free to doubt, free to make mistakes, and free to confront the truth that Parker has been hiding from for a long time. That she keeps trying to save Charlie, when the person who really needs saving is herself.

Introducing your new favorite children's book stars: The McClure Twins! This adorable and fun story about embracing differences is perfect for fans of Juno Valentine and Fancy Nancy. Ava and Alexis are twins. So when they find out they were born a whole minute apart and that they don't agree on what to wear for their fashion show, the girls start to wonder... Can twins be "mismatched?! Just in time, Ava and Alexis remember their twinship pinky promise to "strut together and make it fashion" as they mix and match their unique styles to create one twintastic outfit. Written by and based on everyone's favorite YouTube kid-fluencers, The McClure Twins, The McClure Twins: Make It Fashion drives home the very important lesson of embracing what makes us similar and different.

A story by an established picture book writer about problem-solving, collaboration, creativity and compromise that shows how differences can be complementary

Biracial twin sisters--one who presents as black and the other as white--are determined to put the ghosts of the past to rest and to uncover the truth behind their parents' murders in the Jim Crow South.

Callie is very proud of her brother Charlie. He's good at so many things--swimming, playing the piano, running fast. And Charlie has a special way with animals, especially their dog, Harriett. But sometimes Charlie gets very quiet. His words get locked inside him, and he seems far away. Then, when Callie and Charlie start to play, Charlie is back to laughing, holding hands, having fun. Charlie is like any other boy--and he has autism. In this story, told from a sister's point of view, we meet a family whose oldest son teaches them important lessons about togetherness, hope, tolerance, and love.