Two years have passed since Peter and his friends went up against Zoltan - a supernatural being - in a battle of minds and wits, with the fate of the Earth on the line. Life is great for Peter now: He and Nicola are still dating. He’s about to start high school, where he will be taking advanced science and math classes. But then, out of nowhere, something happens. Something confusing and terrifying, which has the potential to cause immeasurable destruction.

When Stella and her younger brother, Tom, move to their new London home, they become mystified by the disappearances of Harry, their elderly neighbor's small dog. Where does he go? And why does he keep reappearing wet-through? Their quest to solve the riddle over the summer holidays leads to a boat buried under a grassy mound, and a tunnel that takes them to a secret lake. 

When 10-year-old Derek and 8-year-old Sam move with their family to Virginia, they have no idea what adventures the summer will bring. As the brothers explore their creaky old house and the deep surrounding woods, they uncover a 60-year-old mystery of a valuable coin collection stolen from the local museum.

While sleeping on the roof of his father's hotel-spy school, 13-year-old Lucas Benes finds a baby alone and learns that the Good Company has restarted its profitable brainwashing business. Brainwashed (Crime Travelers Spy Series book number one) tracks the secret urban adventures of the new resistance, a school of international teenage spies. Lucas leads a group of friends through the hotspots of Paris - from the catacombs to the Eiffel tower - in an all-out effort to sabotage a brainwashing ceremony that could potentially turn them all into "good" kids.

When Zet's father left home to fight the Hyksos, his only option was to leave siblings Zet and Kat in charge. It turns out keeping food on the table is easier said than done. They need a solution and they need it now. One day, Zet spots a thief running through their market square. When the thief gets away, the medjay announce a reward for the man's capture. Zet jumps at the chance. The medjay, however, laugh at him. Zet cares little what they think. The siblings soon set off on a dangerous investigation.

Jesse Rigsby hates video games - and for good reason. You see, a video game character is trying to kill him. After getting sucked in the new game Full Blast with his friend Eric, Jesse starts to see the appeal of vaporizing man-size praying mantises while cruising around by jet pack. But pretty soon, a mysterious figure begins following Eric and Jesse, and they discover they can't leave the game. If they don't figure out what's going on fast, they'll be trapped for good! 

A mysterious curse has stricken Kexley Castle for generations ever since Egyptian treasure was transported to Cornwall by a 19th Century explorer. Can four young adventurers reveal the secrets that have been hidden for over a hundred years? Join Lara, Rufus, Tom, and Barney in their first exciting adventure together as they unravel the mystery and race to find Captain Jack Kexley’s hiding place.

Two master criminals are on the run with ancient treasure, using London's web of hidden trails and passages to conceal their loot. The Adventurers must track them down using their wits, Uncle Logan...and a stolen red bus. Join Lara, Rufus, Tom, Daisy and Barney as they race to uncover the City of Secrets!

Emily and James's teacher Mr. Quisling is up to something mysterious. First, there's the news clipping with an unusual note that he drops at a book event. Then Emily and James discover their teacher has been receiving encrypted messages in a series of Mark Twain books hidden through Book Scavenger. When Emily and James decipher the messages, they begin to suspect Mr. Quisling is hunting a long-rumored treasure of buried gold.

Young brothers Sam and Derek have a knack for uncovering mystery and adventure. When they visit Richmond's St. John's Church for a reenactment of Patrick Henry's famous liberty speech, they stumble upon a hidden piece of history. As the boys and their friends dig deeper, they find clues from America's founding fathers and a secret plot to steal a treasure from our nation's past. Join in the mystery as the search races from the cemeteries of Richmond to the streets of Colonial Williamsburg.

The moving story of an orphan, determined to know her own history, who discovers the true meaning of family. Twelve-year-old Crow has lived her entire life on a tiny, isolated piece of the starkly beautiful Elizabeth Islands in Massachusetts. Abandoned and set adrift in a small boat when she was just hours old, Crow’s only companions are Osh, the man who rescued and raised her, and Miss Maggie, their fierce and affectionate neighbor across the sandbar.

Eleven-year-old Charlie Reese has been making the same secret wish every day since fourth grade. But when she is sent to the Blue Ridge Mountains of North Carolina to live with family she barely knows, it seems unlikely that her wish will ever come true. That is until she meets Wishbone, a skinny stray dog who captures her heart, and Howard, a neighbor boy who proves surprising in lots of ways. Suddenly Charlie is in serious danger of discovering that what she thought she wanted may not be what she needs at all.

A deadly virus killed every adult on Earth, leaving only the kids behind. With her parents gone, Lisa is responsible for her little brother, Todd. She has to make sure they stay alive. Many kids are sick or starving, and fierce gangs are stealing and destroying everything they find. Lots of people have given up, but on Grand Avenue, some kids are surviving. Because of Lisa. Lisa figured out how to give the kids on Grand Avenue food, homes, and protection against the gangs.

Sleuthing duo Emily and James tackle their most challenging mystery yet, set on the haunting Alcatraz Island. Legendary literary game maker Garrison Griswold is back in action - this time with "Unlock the Rock", an extravaganza on Alcatraz Island. But just as the fun starts to take off for Emily and James, important items from Griswold's game begin to disappear, and someone is framing Emily's brother, Matthew, as the criminal.

When Brystal Evergreen stumbles across a secret section of the library, she discovers a book that introduces her to a world beyond her imagination and learns the impossible: She is a fairy capable of magic! But in the oppressive Southern Kingdom, women are forbidden from reading and magic is outlawed, so Brystal is swiftly convicted of her crimes and sent to the miserable Bootstrap Correctional Facility. But with the help of the mysterious Madame Weatherberry, Brystal is whisked away and enrolled in an academy of magic!