A famous writer is coming to Green Lawn! Dink rushes to the bookstore to meet his favorite author, Wallis Wallace, and get all his books signed. But the author never shows up! Where is Wallis Wallace? It’s up to Dink and his friends Josh and Ruth Rose to track him down.

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes Detective Camp, Mayflower Treasure Hunt, White House White-Out, and Sleepy Hollow Sleepover.

Green Lawn, we have a problem! When Bradley Pinto wakes up in the night to strange lights in his backyard, he thinks there are aliens in town. When he sees three-toed footprints in the snow, he’s sure of it. His twin, Brian, and friends Lucy and Nate aren’t so certain. But then Lucy’s cousin Dink, the twins’ brother, Josh, and Nate’s sister, Ruth Rose, all disappear. Are there really aliens in Green Lawn? And where could they be taking Dink, Josh, and Ruth Rose?

Merlin Mission books 9-16 of the number-one New York Times best-selling Magic Tree House series, available together for the first time ever! Magic Tree House Merlin Missions are more challenging adventures for the experienced Magic Tree House fan. In each adventure Merlin the magician sends Jack and Annie on an adventure in the magic tree house.

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.

Follow the adventures of Zoey and her cat, Sassafras, with this collection of books one to six in the series. Each story features a new magical animal with a problem that must be solved using science. There isn’t a set formula for each book; Zoey sometimes needs to run experiments, while other times she needs to investigate a mystery, and yet other times she needs to do research. Zoey models how to keep a science journal through her handwritten entries in each story.

What do you do when you try to turn into a dragon or a kitten, but you accidentally turn into a dritten instead? Or you try to conjure fire but can only make flurries? Or maybe you get to fly, but you can’t come back down? For Nory and her friends in Dunwiddle Magic School’s Upside-Down Magic class, magic is amazing, unpredictable, and out of control!

In the first book in this series, eight-year-old Drake is snatched up by King Roland's soldier and taken to the castle. He is to be trained as a Dragon Master. At the castle, he is joined by three other young Dragon Masters-in-training: Ana, Rori, and Bo. The Dragon Masters must learn how to connect with and train their dragons - and they must also uncover their dragons' special powers.

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.

Teddy Fitzroy's back for another zoo mystery this time it's a koala caper in this action-packed follow-up to Belly Up, which Kirkus Reviews called great fun. School troublemaker Vance Jessup thinks Teddy Fitzroy's home at Fun Jungle, a state-of-the-art zoo and theme park, is the perfect place for a cruel prank. Vance bullies Teddy into his scheme, but the plan goes terribly awry. Teddy sneaks into the koala exhibit to hide out until the chaos dies down.

Thanks to Kate's mom, a sports reporter, cousins Mike Walsh and Kate Hopkins have tickets to the Red Sox game and All Access passes to Fenway Park. But as they're watching batting practice before the game, the lucky bat of Red Sox star slugger Big D is stolen...right in front of dozens of people. Without the bat, Big D can't seem to hit a thing. Can Kate and Mike figure out who pinched the bat before Big D and the Sox chalk up a loss? The Fenway Foul-Up includes a fun fact section about Boston's Fenway Park.

Mia Tang has a lot of secrets. Number one: She lives in a motel, not a big house. Every day, while her immigrant parents clean the rooms, 10-year-old Mia manages the front desk of the Calivista Motel and tends to its guests. Number two: Her parents hide immigrants. And if the mean motel owner, Mr. Yao, finds out they've been letting them stay in the empty rooms for free, the Tangs will be doomed. Number three: She wants to be a writer. But how can she when her mom thinks she should stick to math because English is not her first language?

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.

Twelve-year-old Theodore “Teddy” Roosevelt Fitzroy believes that Henry, the hippopotamus at the brand-new FunJungle, has been murdered. The zoo’s top brass claim the hippo went belly up the natural way, but Teddy and his feisty friend Summer McCraken have other ideas. Could the culprit be FunJungle’s animal-hating head of operations? Or is it FunJungle’s owner - Summer’s dad - a man who is much more concerned about money than animal welfare? The deeper Teddy and Summer dig, the more danger they’re in - because when it comes to hippo homicide, the truth can’t be caged!

Catherine, a 12-year-old girl with big responsibilities, loves her autistic younger brother David and makes lists of rules she thinks will help him get by. But she often feels that her parents, focused on special care for David, forget that she exists, too.