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.

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.

Frank and Joe Hardy, sons of the world famous detective Fenton Hardy, tackle their first case as budding detectives themselves. Although still in High School, the boys experience exciting chases, hold ups, robberies, clues, and false accusations; they winnow through mounds of evidence and conflicting stories, get some assistance from their famous father, and search and climb till they find the answer to the mystery of The Tower Treasure!

Dear Diary...Bess, George, and I are actually in Alaska! Everywhere you look, there are massive mountains and sparkling, deep-blue waters. We're on the maiden voyage of the Arctic Star luxury cruise ship, and my old friend, Becca Wright, the assistant cruise director, needs our help. She received threatening emails before even setting sail; then a bloody body turned up in the swimming pool.

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

Jake and Taylor Wilder have been taking care of themselves for a long time. Their father abandoned the family years ago, and their mother is too busy working and running interference between the boys and her boyfriend, Bull, to spend a lot of time with them. Thirteen-year-old Jake spends most of his time reading. He pores over his father's journal, which is full of wilderness facts and survival tips. Eleven-year-old Taylor likes to be outside playing with their dog, Cody, or joking around with the other kids in the neighborhood. But one night everything changes.

The Aldens are spending their first week of summer at Camp Quest in Colorado. The children are excited to learn about fossil-hunting and paleontology from renowned scientist Dr. Iris Perez. But strange events at the camp make them wonder if the legends of a bigfoot-like creature roaming the valley might be more fact than fiction. Can the Aldens help Dr. Iris figure out who - or what - is causing such a stir?

When teenagers Jay and Lila Cooper and their archaeologist father travel to Nepur, an uninviting land of deserts and danger, they must search to uncover the truth behind an ancient legend. Locals claim that inside a dark cavern called the Dragon's Throat is a forbidden Door that brings certain death to anyone who tries to open it. Armed with the knowledge that God is more powerful than any legend or curse, Jay and Lila plunge down into the Dragon's Throat, determined to find out what awaits them on the other side of the Door.

Leigh's life has been ripped apart. Orphaned, she goes to live with incredibly wealthy relatives she never knew she had. Struggling to fit into her new world, she can't let go of her grief. When the police tell her the investigation into her parents' murder has hit a brick wall, she knows the only way she will ever know peace is to solve the mystery herself. With new family and friends, which includes a ghost with multiple personality issues, Leigh risks everything to find her answers.

In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

Remember when it was scary to go to school? 'Cause it was your first day and you didn't know anything. Meet Junie B. Jones, kindergartner. She's so scared of the school bus and the meanies on it that when it's time to go home, she doesn't.

Twelve-year-old Sophie has never quite fit into her life. She’s skipped multiple grades and doesn’t really connect with the older kids at school, but she’s not comfortable with her family, either. The reason? Sophie’s a Telepath, someone who can read minds. No one knows her secret - at least, that’s what she thinks.... But the day Sophie meets Fitz, a mysterious (and adorable) boy, she learns she’s not alone. He’s a Telepath too, and it turns out the reason she has never felt at home is that, well...she isn’t. Fitz opens Sophie’s eyes to a shocking truth....

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.