While learning the art of ancient warfare in an exotic location, Amy and Dan uncover a devastating secret about their family that changes everything in this high-stakes adventure....

Join the world's greatest detective, Nate the Great, as he solves three mysteries! Perfect for young listeners, this long-running chapter book series encourages children to problem-solve with Nate, using logical thinking to solve cases....

When a sinkhole opens up and swallows one of Bayport's historic statues, Frank and Joe suspect something - or someone - shady is at play. They jump at the chance to investigate....

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

Black cats? Broken mirrors? The number 13? The owner of the art deco apartment building in nearby Silver City believes in all kinds of superstitions. The Aldens aren’t so sure about most of them, but there’s one thing they do know: Something strange is going on on the 13th floor....

Once Amy and Dan Cahill's choice was simple - take a million dollars or the first of 39 Clues that lead to the source of unimaginable power....

Fifth-grader Tamaya Dhilwaddi and seventh-grader Marshall Walsh have been walking to and from Woodridge Academy together since elementary school. But their routine is disrupted....

Amy and Dan Cahill discover that their family was one of the most powerful in human history....

Mr. Lemoncello is taking his games out of the library and going live across the nation on the world-famous Kidzapalooza Television Network! Only a lucky few will be chosen to compete in front of millions of viewers; Kyle Keeley is determined to be one of them....

A skilled thief on a mysterious mission, Carmen Sandiego is endlessly pursued by ACME and Interpol. But the woman in the red fedora is always one step ahead. In this novelization, based on the Netflix animated series, Carmen shares her own backstory for the first time ever....

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....

Best-selling adult author of The Bear and the Nightingale makes her middle-grade debut with a creepy, spellbinding ghost story destined to become a classic....

In this sixth installment, Zach and Zoe join the Middletown Elementary lacrosse club. But a day after their first game, a mystery presents itself: The netting on one of the school's lacrosse sticks is torn through. Ms. Moriarty says the equipment is just old and worn, but the twins think it might be something else. They decide to investigate, and when the clues start coming together, they realize solving the mystery is only the first piece of an even bigger surprise.

Twelve-year-old Kassy O’Roarke wants to win the Thompson prize at her school newspaper. Her pesky little brother Percy and his key-stealing ferret try to help, and that’s when the trouble begins. Apollo the cougar cub goes missing from their family’s petting zoo. Kassy puts her detective skills to the test to find him before Animal Control does. Can Kassy outsmart the dogcatcher and rescue Apollo before being grounded for life?

A bad storm hits Greenfield and leaves behind a mystery! With no power or internet, the Boxcar Children will need to put the pieces together the old-fashioned way. It’s been a while since the children have powered down. Can they figure out what’s going on while being unplugged?

It’s hot. It’s windy. It’s dusty. It’s the Australian outback. Wendy Lee arrives from California. She’s lucky to meet Chloe Taylor, who invites Wendy to their sheep station. It sounds like fun, except that someone is stealing the sheep. And the thief just might be something as crazy as a UFO.

Ra the Mighty adores his duties as Pharaoh's cat: naps by the pool and plenty of snacks. Being lazy is so much fun. But when a royal tomb gets robbed, Ra and his hardworking friend Khepri must team up to restore justice. The clues point to a young boy whom Ra admires. Will the Great Detective play favorites, or will he uncover the truth? Mystery awaits!  

According to local legend, a ghost train passes through Albany at midnight every April 26. That's the anniversary of the day President Lincoln's funeral train stopped in the town in 1865.