Books published by publisher HarperEntertainment

"Mary-Kate and Ashley -- I dare you to go into the haunted house!" It was Halloween, and our friend Patty was trying to scare us. Ashley and I didn't believe in ghosts, so we took Patty's dare. But when we went into the haunted house -- we saw a ghost with our very own eyes! There was no time to investigate. We had another mystery on our hands. A case of robbery -- where all the suspects were our friends! But then the clues in our new case led us right back to the haunted house! Were our two mysteries turning into one?

It all began when Planet Earth suddenly started spinning way too fast! Before anyone knew what was happening, seven kids were mysteriously swept away from summer camp to File Island -- where no humans had ever been before.Think that's weird? Well, it gets even weirder. Because this island isn't even on Earth. It is somewhere called the Digital World, and its only residents are the sometimes cute, sometimes ferocious Digital Monsters-Digimons. Yeah, they may look strange, but Tai, Izzy, Sora, and the rest of the gang are sure glad they've got their Digimon pals around to protect them. From what, you ask? You've got to read it to believe it!

Let television's canine hero Wishbone be your tour guide! Meet Ivanhoe, a noble and courageous knight. After bravely serving in the Crusades, he returns to England and becomes entangled in a series of adventures. With the help of Robin Hood and the mysterious Black Knight, Ivanhoe tries to rescue his love, the beautiful Lady Rowena, from her Norman captors. Later, he fights the evil Sir Brian de Bois-Guilbert to save the life of a friend. Will Ivanhoe be victorious over his enemies? To find out, journey back to the time of knights, castles, and thrilling tournaments in the medieval story of heroic Ivanhoe!

Follow the road to adventure.Trail along with a trio of unlikely friends—a moody mammoth named Manfred, a wisecracking sloth named Sid, and a scheming saber-toothed tiger named Diego—on an exciting and sometimes dangerous quest to return a lost human baby to his family.You'll really warm up to this tale about loyalty, acceptance, and the power or friendship, based on the hit movie Ice Age. Don't get left out in the cold!

London BridgesChloe and Riley Lawrence are going to London! They've been picked to compete with other kids from around the world in a United Nations contest: How Would You Mke the World a Better Place to Live? Chloe and Riley have a great idea and they know they can win.What Chloe and Riley don't know is that someone wants to make sure they lose. Will they figure out who it is before it's too late?

Mary-Kate and Ashley are thrilled about participating in an ice cream-making contest at Sweet Sundaes, an ice cream store in town. Whoever invents the best new flavor will win a free sundae-a-week for a year! The twins stir up a delicious new flavor -- Creamy Orange Choco Chunk-and everyone agrees it's the best ice cream they've ever tasted. But it looks as if the yummy new flavor is a recipe for disaster! First, the ice cream disappears. Then their secret recipe is stolen. Can Mary-Kate and Ashley find the culprit before their sweet success turns sour?

Bella Roma! Leila and Charli are about to start their summer jobs at a world-famous fashion house in Rome! and Rome is more amazing than they ever dreamed. The Colosseum ... the Trevi Fountain ... the cute boys ... But then someone gets them fired on their very first day at work. Leila and Charli have to find out who's responsible -- or their hot Italian summer will be over before it begins.

Dear Diary,When Mary-Kate and I packed up to come to White oak Academy, I thought boarding school would be like regular school. But it's totally strange! The principal is called a headmistress, seventh grade is called first form, and my roommate is called well--I call her weird. And the worst thing is there's this huge dance coming up.I know I know. I , Ashley Burke, dont want to go to a dance? But here's the deal--the girls have to ask the boys. And i dont know any.-- Ashley