Abby Hayes is an ordinary fifth grader trying to invent a role for herself in a seemingly perfect world. This series combines the edge of BRIDGET JONES with a send-up of self-help books. Abby's family is going camping, and Abby is allowed to bring a friend. But who? Abby's best friend Jessica has moved away—so Abby decides to invite Hannah, a new girl in town. Then she instantly regrets her decision. Could any new friendship withstand a weekend away with the Hayeses?

The latest book in this increasingly popular series focuses on the growing friendship between Abby and the new girl in school, Hannah. When Abby and her new friend, Hannah, take charge of a class project to assemble gift packages for underprivileged children, one thing after the next goes wrong. First their teacher, Mrs. Kantor, must leave school for a few weeks. The class is stuck with a mean substitute who won't let them work on their gift boxes. Then, after their kind principal intervenes and work on the class project resumes, Hannah's baby sister unintentionally destroys many of the gift boxes. Working as a team, Abby and Hannah think of a clever way to save the day, their budding friendship, and the class project.

In the thirteenth book in this popular series, Abby and her best friend, Jessica, are reunited after a long time apart. They find that they have each changed, and so has their relationship. When Abby's best friend, Jessica, moved away, Abby was beside herself. But time has passed, and the gap Jessica's absence left in Abby's life has been filled by new friends, especially Hannah. Jessica's done a lot of changing, too. She calls herself Jessy now, and instead of baggy overalls, she now wears hip teen clothes. She even has a boyfriend! Although things are different now, Abby and Jessy eventually find that they still have a strong bond. Also in this book, Abby deals with feelings of jealousy as Hannah spends more and more time with Abby's boy friend (not boyfriend!), Casey.

Abby notices a mystery musician in middle school...and develops her first crush! Now that she's in sixth grade, Abby's discovering new friends and new talents. She's also discovering a major new a boy! Simon is a sax player in an exclusive school band. He's also one of the coolest kids in school...and Abby's friend Natalie just happens to know him. Will Abby find the courage to approach her crush?

Just when Abby thought middle school was safe...she stumbles on a mystery! There's a thief on the loose in the sixth grade, and Abby and Hannah are determined to find out who's been taking their friends' most prized possessions. They assemble a list of suspects and piece clues together just like real detectives. But when Abby discovers the identity of the thief by accident, she wishes she'd never set out to crack the case. Now that she knows what she knows, Abby has to make a tough decision. Should she squeal on one friend or sit back while her others get hurt?

Abby's always been one of the good kids...till now. When Abby throws together a batch of cookies for a meeting at school, she has no clue that she's just made Hayes history. For the first time in her life, it seems, Abby's done something perfect—perfect!—on the first try! Everyone loves her cookies. Everyone wants more of them! And that gives Abby a great idea... If she can sell enough of them, maybe she'll earn enough money to go to writing camp this summer. There's only one problem. Kids aren't supposed to sell stuff on school grounds. But Abby's never been in trouble before.... Maybe she can get away with it. Just this once.

The unthinkable is about to happen—Abby's family is moving! Abby has lived in the same house for as long as she can remember. But now her parents have decided that they need to move...and their house is on the market before the kids have even digested the news! Abby feels safe and secure in her old neighborhood, where all her friends are nearby. She doesn't care that she'll soon have her own bathroom and a pool in her backyard. She doesn't even care that she'll get to stay in the same school. Abby doesn't want to move! Whatever happened to the Hayeses making decisions together? And why do they have to move so close to Brianna?

The eighteenth book in this popular series! Abby is ecstatic about her family's plans for a vacation in Paris. But when they get there, it's more of the same old her siblings fighting non-stop, with nobody able to agree on so much as where to eat dinner. Abby feels a connection to the city, though—after all, it's the home of many famous writers. So she decides to take matters into her own hands...and go off on an adventure of her own.

What's Abby to do when what she wants surprises even herself? "All that glitters isn't gold" — Rags to Riches Calendar Abby's never cared much about having the latest, greatest thing. But Brianna has the brand-new MePhone, and suddenly Abby is green with envy. It's all she can to do convince her parents she needs any phone at all, much less the top-of-the-line model. And then there's another problem: When Brianna loses her phone, Abby's the one who finds it. Does she really have to give it back?

Celebrate the 10th Anniversary of Abby, a "spunky and appealing heroine" (Publishers Weekly)! Abby knows a secret about her Eva the star athlete has a boyfriend! That's the last thing Abby would ever want for herself. But when it turns out she has a secret admirer at school, Abby has to ask herself some questions. Who's been sending her all these cards and pictures? And is she really ready for love? Filled with inspiring quotes from Abby's crazy calendar pages and adorable doodles from popular teen magazine illustrator, Lynn Gesue, this book is a great way to celebrate the holiday of love!