Kyle Keeley is the class clown, popular with most kids, (if not the teachers), and an ardent fan of all games: board games, word games, and particularly video games....

Can an undercover nerd become a superstar agent? Ben Ripley sure hopes so - and his life may depend on it....

Get to know the only kid on the FBI director's speed dial and several international criminals' most wanted lists all because of his Theory of All Small Things in this hilarious start to a brand-new middle grade mystery series....

As the children tour the famed Sydney Opera House, their next puzzle - and its key - falls right into their laps. They need to find the rightful owner of a rare Australian coin....

A hip new doughnut shop known for its bizarre recipes is opening up in Greenfield. At first, the owners of the other doughnut shop in town, Delilah's, aren't worried. Their shop has been a fixture downtown since just after World War II....

When Ben gets kicked out of the CIA's spy school, he enrolls with the enemy....

Stranded in Mexico after nearly capturing the leaders of SPYDER, 13-year-old Ben Ripley desperately needs to take a shower. But even more so, he and his spy school friends need to come up with a new plan to defeat their enemies, their only clue a key that opens...something....

An incredible discovery in an icehouse leads to an encounter with a criminal. Will the police come quickly enough to catch the man the gang trapped? In this tale from northern Minnesota, the Gang learns about several kinds of fishing, the most important one being fishing for men....

There’s a zombie on the loose! When Dink, Josh, and Ruth Rose visit the Louisiana bayous, they meet a village with one spooky problem. Locals say a silver-haired zombie is digging up graves in the cemetery....

I is for Island.... It’s picnic time! Dink, Josh, and Ruth Rose pack up a basket and wade out to Squall Island. Right away, they find a 100-dollar bill in the sand! But when they come back the next day, the entire island has mysteriously disappeared....

Henry, Jessie, Violet, and Benny head for China to return the Reddimus Society's fourth artifact! Along the way they meet old friends and make new ones, but a thief threatens to ruin their trip....

Coke and Pepsi McDonald didn’t want to jump off a cliff. They didn't want to get hit by poisoned darts from blowguns either....

When Mia moves to Vermont the summer after seventh grade, she's recovering from the broken arm she got falling off a balance beam. And packed away in the moving boxes under her clothes and gymnastics trophies is a secret she'd rather forget. Mia's change in scenery brings day camp, new friends, and time with her beloved grandmother. But Gram is convinced someone is trying to destroy her cricket farm. Is it sabotage or is Gram's thinking impaired from the stroke she suffered months ago?

After a disastrous sixth grade, Jake Herndon is anxiously awaiting his Big Do-Over, starting with his new school's notorious seventh-grade sleepover. Awkward team-building games and forced fun quickly become the least of his problems, however, when a dangerous organization invades and the night takes a shocking turn. Jake and two new classmates, Lucy and TJ, barely escape, only to find themselves in a fight for survival on the streets of Chicago. Over the next 48 hours, they unravel a mystery dating back to the Civil War and an incredible secret about Jake s family.

Jigsaw Jones and Mila Yeh have solved many cases involving stolen or missing items. But when the search for Kim's necklace turns up more than they bargained for, Jigsaw can't trust his eyes. Did the scarecrow on Ms. Rigby's lawn just...move? Find out more in The Case of the Haunted Scarecrow. 

Got a mystery to solve? Jigsaw Jones is on the case. Eddie Becker has the idea of a lifetime and creates plans for what he promises is going to be a million-dollar invention. Then the plans get stolen. Worst of all, after Jigsaw does some digging, he suspects the principal may be the thief! Now Jigsaw has to invent a gadget of his own to find out the truth. 

Someone's been stealing from the lost and found. But the strangest part of this mystery is what they've been stealing. Not mittens, or books, or water bottles - only hats! Just when Jigsaw comes up with a plan to catch this hat burglar in the act, the mystery thief strikes again right under his nose! Will this be the first case Jigsaw and Mila can't solve? 

Gertrude Chandler Warner (1890 -1979) was an author, mainly of children's stories. The Boxcar Children is the first book in the series and was published in 1924. It tells the story of four orphaned children, Henry, Jessie, Violet, and Benny, who create a home for themselves in an abandoned boxcar in the forest. Later, they meet their kind and wealthy grandfather and go to live with him. The book was adapted for film in 2014.