Sam and Annabel are on vacation with Annabel's parents in Italy. While visiting the small hilltop town of Civita, they hear rumors of looted gold from World War II buried somewhere in the town's network of underground tunnels and caves. Once again the two friends cross paths with their old nemesis, Humphrey Battleford, but he is not the only one in pursuit of the gold. An intimidating man named Kurt, the grandson of a ruthless Nazi, is also snooping around. After Annabel is kidnapped, Sam must solve the mystery of the hidden treasure to save his friend. This is the fourth mystery featuring Sam and Annabel, after Stolen, Bones and Lost.

Jordie's cousin Todd has moved back to Montreal and is attending Jordie's high school. Todd has autism and requires an aide. Todd has not been welcomed in the school. He's known as a freak, and even other parents seem to resent Todd's special needs. Jordie does everything he can to distance himself from his cousin, fearful of what his friends might think. When he learns that Todd's whole family is buckling under the pressure of a hateful letter, Jordie starts to question his own behavior. But Todd's resources are unique, and he soon finds a way to prove his worth to his peers and to the community at large. Inspired by real-life events, Hate Mail examines the transformative power of speaking out against prejudice.

In this high-interest novel for middle readers, four young teens find themselves in serious danger during a role-playing game in a supposedly abandoned hospital.

Zack Freedman has complete control and feels a sense of calm on the high wire. If only he could say the same about the rest of his life. His fellow youth circus performer and roommate, Cubby, hates him, and his aunt dumps a yappy, excitable dog on him. When a necklace is stolen during a circus performance and the victim of the theft threatens to shut down the circus, Zack is desperate to solve the mystery so he can keep his place on the wire.

Once again Callie is forced to take part in her mom's latest crusade. They head into ranch country to camp—bloodthirsty mosquitoes, stinky outhouses and all—at a protest to save a rural school. Callie's grandmother shows up with her biker buddies and the singing grannies. Callie hates camping and wants nothing to do with the protest. To make matters worse, Callie's only possible ally, her cousin Del, is mad at her. The last time Callie visited, she was thrown from Del's horse, Radish. Callie claimed the horse was vicious and now Del's parents are forcing her to sell Radish. Callie wants to help her cousin, but she's terrified of the horse. Del is just as tenacious as the rest of Callie's family, and Callie is forced to admit that she's not going to be allowed to go home until both the horse and the school are saved.

Rufus and his sister Alexa hate each other at the best of times. When Rufus's friend Phil manages to hypnotize Alexa, Rufus is ready to enjoy the power. They begin by ordering Alexa to be kind to her parents and Phil. The plan backfires when Alexa sweetly suggests canceling an expensive family vacation in favor of a week at home playing board games. Then Alexa turns on the charm with Phil and suddenly Rufus has to deal with a lovesick amateur hypnotist. Rufus is certain it can't get any stranger until Alexa, still in her hypnotic state, is kind to the brother she's always hated and Rufus is more confused than he's ever been.

Fourteen-year-old Iggy comes from a famous family. Well, sort of. His dad directs a cheesy sci-fi Web series, his mom writes for it, and his sister has a successful YouTube channel. Iggy doesn't have the acting bug, so he feels like an outsider. Wanting to prove himself, Iggy starts his own podcast about what interests him: insects. But it's not until Iggy embarrasses his famous sister on air that his podcast really takes off. He's thrilled with his own success, until she fires back. Now it's all-out war. Iggy's World is an exploration of the age-old problem artists face: when we find inspiration from our real lives, what will our friends and family think? And, of course, just how much of our private lives do we really want to reveal online?

Ian organizes flash mob events through the Internet for fun, but when the new principal at his school begins banning iPods and school dances, he plans an event for a purpose.

After a big fight with his wife, Rupert's grandfather, known to everyone as Gump, packs up and moves into Gentle Breezes Nudist Community for Active Seniors. Thirteen-year-old Rupert is sent in to talk some sense into him. While he's there, Rupert accidentally lets Gump's dog, Wayne, escape. Gump is frantic. Wayne is blind and tends to panic. Rupert and his grandfather set out to search the woods, and soon they are lost too. Aside from an apron, Gump is butt naked, and without his phone, Rupert feels naked too. The only way they are going to get out of this mess is by working together.

In this high-interest novel for middle readers, fourteen-year-old Jenny is looking forward to her March Break retreat. But then she finds out that the boy who bullies her at school is going too.

Even though he's secretly terrified of deep water, and all the scary things that swim below, Tate wants to shake his boring reputation, and he agrees to travel with his class up the Amazon River to help build a village school. He has his fingers and toes crossed that he won't see any giant snakes or hungry piranhas. But there are even scarier things than anacondas lurking in the jungles of South America, and Tate soon learns of the legend of El Tunchi, a vengeful spirit that terrorizes those who harm the rainforest. When creepy things start happening and Tate keeps hearing El Tunchi's haunting whistle, he's sure the group must have angered someone. Or something. He and his friends need to figure out a way to make amends and get out of the jungle alive.

Justin is fascinated with the aged guard dog at the corner store. He names it Smokey and sneaks the dog treats. Smokey belongs to a company that supplies working dogs to local businesses. Justin is thrilled to get a job working for Smokey's company, until he learns about the mistreatment of the animals. When Justin can't shake his suspicion that someone in the company is involved in a rash of thefts, he tries to quit. But Justin knows too much, and his boss won't let him go.

Before Rory and Jillian's mother died two years ago, she hired Rebecca to be the family housekeeper. But Rebecca is a terrible cook and not so great at housework either. The weird lunches and laundry disasters drive the twins crazy. One day Jillian catches her father flirting with Rebecca and decides it's time to find him a girlfriend. Rory disagrees. But eventually he goes along with the idea, and they create a profile for their father on an online dating site. Dad is very reluctant, but Jillian gets him to agree to go on three dates before giving up. Each date turns out to be more disastrous than the last. Will Rory and Jillian manage to find their dad the perfect match? Or was the answer right in front of them the whole time?

Everyone assumes that because he's Chinese, Jon Wong must be good at math and science and a first-class nerd. No matter how hard he tries, he can't seem to shake the stereotypes. After a kung fu action movie, Jon and his best buddy pretend to be martial-arts warriors. Word soon spreads that Jon is a kung fu master, and the kids begin to treat him differently. Rather than correct the mistake, Jon plays up the role and basks in the positive attention from his classmates. But when the school bully challenges him to prove his skills, Jon must figure out a way to somehow keep his status as the cool kid. Without getting pulverized.