Third-grader Aven Green has been solving mysteries for a really long time—a whole month! She has solved many important cases like The Mystery of the Cranky Mom, The Mystery of the Missing Ice Cream, and The Mystery of the Smelly Feet. Her record is nearly 100 percent, with only The Mystery of the Cereal in My Underpants remaining unsolved to this day. Aven asks all the right questions, wields her detective kit carefully, and follows up on every clue. Then her teacher’s lunch bag, with her lunch still in it, is taken, and Aven’s great-grandma’s beloved dog goes missing. 

Inspired by the Celtic legend and the spirit of the imagination, Christmas in Camelot is Mary Pope Osborne's gift to young listeners everywhere. It begins with a simple invitation to spend Christmas Eve in Camelot, a magical place that exists only in myth and fantasy. What Jack and Annie don't know is that the invitation will send them on a quest to save Camelot itself, not from destruction, but from being forgotten forever.

At home, Maggie is the odd one out. Her parents are preoccupied with the new baby they're expecting, and her younger brothers are twins and always in their own world. Maggie thinks a new puppy is the answer, but when she goes to select one on her birthday, she breaks out in hives and rashes. She's severely allergic to anything with fur! Can Maggie outsmart her allergies and find the perfect pet? Megan Wagner Lloyd draws on her own childhood to tell a heartfelt story of family, friendship, and finding a place to belong.

Before Jake’s grandfather died, he was on the trail of a centuries-old mystery. And he has entrusted that mystery to Jake, leaving behind a set of hidden codes, riddles, maps, and other clues that lead Jake and his friends on a scavenger hunt into the heart of Colorado’s wild and rugged Rocky Mountain National Park.

My name is Chase Cooper, and I'm a 6th grade ninja. It's my first day at a different school and the only person I know is my cousin, Zoe (but she might be a little too cool for me). I was just another scrawny kid until a group of ninjas recruited me into their clan. It was a world of trouble I wasn't prepared for, which is why I kept this diary (or "chronicle" as my dad would call it) - to warn other kids about the dangers of becoming a ninja. They say history is destined to repeat itself...well, not if I can help it.  

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers. 

Jo Jo Makoons Azure is a spirited seven-year-old who moves through the world a little differently than anyone else on her Ojibwe reservation. It always seems like her mom, her kokum (grandma), and her teacher have a lot to learn - about how good Jo Jo is at cleaning up, what makes a good rhyme, and what it means to be friendly. Even though Jo Jo loves her number one best friend, Mimi, (who is a cat), she’s worried that she needs to figure out how to make more friends. Because Fern, her best friend at school, may not want to be friends anymore.

This compelling addition to the What Was? series covers what was supposed to be “the war to end all wars” but tragically wasn't. 

Florian is 12 years old and has just moved to Washington. He's learning his way around using TOAST, which stands for the Theory of All Small Things. It's a technique he invented to solve life's little mysteries. But when he teaches it to his new friend Margaret, they uncover a mystery that isn't little. In fact, it's huge, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL. Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

Morris College All-Sports Camp has everything 12-year-old Greyson Gray needs to distract him from his father's mysterious disappearance - intense athletic competition, weird friends, and a pretty girl. But when Greyson stumbles upon a terrorist's sinister plot brewing in the observatory, a place already haunted by a chilling camp legend, he suddenly toils with two dueling worlds - one of lurking danger and mystery, the other of competition and awkward romance.