For most of Tony Gilbert's life, he has thought of his uncle as "Weird Uncle Charlie". That is, until Uncle Charlie moves in with Tony and his family. Uncle Charlie is still odd, of course - talking about spirits and other supernatural stuff - but he and Tony become fast friends, and Tony ends up having a lot of fun with Uncle Charlie. When Uncle Charlie dies suddenly, Tony is devastated. Then he starts seeing Uncle Charlie everywhere!

Things happen on Bus 13 that can happen nowhere else. As Cali witnesses the strange events and odd behaviors, she finds herself unwillingly drawn into the lives of the other riders. The simple question "who are you?" is the beginning of an adventure Cali never dreamed of. Join Cali in getting to know the ordinary, extraordinary riders on Bus 13.

The globe-trotting thief in the red fedora returns! And now, the question isn't where—but who? In the role of Carmen Sandiego, award-winning performer Kyla Garcia reveals, for the very first time, the backstory of the ever-elusive master criminal whose whereabouts captured the imaginations of children everywhere—through educational video games, animated series, and a popular PBS "gameshow" for middle schoolers in the 1990s.

London, 1923. Newly minted research assistant Saffron Everleigh is the first woman to hold the position at University College of London. When she attends a dinner party for the school, she expects to engage in conversations about the university's large expedition to the Amazon. What she doesn’t expect is for Mrs. Henry, one of the professors’ wives, to drop to the floor, poisoned by an unknown toxin. Dr. Maxwell, Saffron’s mentor, is the main suspect, and evidence quickly mounts.

When Ava Locke was five years old, she began a journey to join the Benefactors—the leaders of the magical continent of Magus. Twelve years later, she unwittingly started down the road to betray them.

Something is not right in Bayport. After a series of unfortunate (yet harmless) pranks, it looks like Frank and Joe have caught their suspect surprisingly early. Their classmate, Seth Diller, has taken his love of filmmaking a bit too far. But shortly after Frank and Joe confront Seth, there are fresh outbreaks of Seth-like pranks. Except these aren't as harmless. After a bit of investigating, the Hardy Boys uncover evidence of the Red Arrow - a group that will stop at nothing to bring chaos and crime to Bayport's peaceful existence.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

"Are you a gifted child looking for special opportunities?" Dozens of children respond to this peculiar ad in the newspaper and are then put through a series of mind-bending tests, which readers take along with them. Only four children—two boys and two girls—succeed. Their challenge: to go on a secret mission that only the most intelligent and inventive children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

What would happen if the noisiest, most talkative class of 5th graders in history dared each other not to talk for 48 hours? This is the premise Andrew Clements explores in one of his most compelling stories yet.

The marshals are looking for the perfect girl to join a mother, father, and son on the run from the nation's most notorious criminals. After all, the bad guys are searching for a family with one kid, not two, and adding a streetwise girl who knows a little something about hiding things may be just what the marshals need. Nicki swears she can keep the Trevor family safe, but to do so she'll have to dodge hit men, cyberbullies, and the specter of standardized testing, all while maintaining her marshal-mandated B-minus average.

Leonard Dunning wakes up in a home he doesn't remember—and to a face in the mirror he doesn't recognize. He soon discovers he attends Blue Cherry High with his best friend, Josh Bernstein, who seems to be the most popular boy in school, with several girls competing for his attention. As the girls collide and clash over the oblivious Josh, Leo realizes each of them displays quirks of characters found in an anime harem comedy. So if Josh is the story's protagonist, what does that make Leo?

Hayden has chronicled experiences from her long career as a special education teacher in several books, including One Child and The Tiger's Child. Successes in this difficult and often frustrating field can be few and hard won, a fact which Hayden deftly illustrates while simultaneously offering hope and joy in small victories. This time she brings to life the story of a scruffy seven-year-old, Venus, who is so unresponsive that Hayden searches for signs of deafness, brain damage, or mental retardation.

Alton Barnes loves maps. He's loved them ever since he was little, and not just for the geography. Because maps contain more information than just locations, and that's why he likes to draw maps as well as read them. Regular "point A to point B" ones, sure, but also maps that explain a whole lot more - like what he really thinks about his friends. And teachers. Even the principal. So when Alton's maps are stolen from his locker, there's serious trouble on the horizon - and he'll need some mad cartographic skills to escape it.

With a dad who disappeared years ago and a mother who's a bit too busy to parent, Emmy is shipped off to Wellsworth, a prestigious boarding school in England, where she's sure she won't fit in. But then she finds a box of mysterious medallions in the attic of her home - medallions that belonged to her father...who may have gone to Wellsworth.

The bad news is that Cara Landry is the new kid at Denton Elementary School. The worse news is that her teacher, Mr. Larson, would rather read the paper and drink coffee than teach his students anything. So Cara decides to give Mr. Larson something else to read -- her own newspaper, The Landry News.