American Girl series
Follow the historical lives of Felicity, Addy, Kit, Josefina and the other American Girls.
Beyonders by Brandon Mull
A brand new series, where two American kids are separately drawn into an alternate world called Lyrian. They want to return home, but they don't know how.
Big Nate Out Loud by Lincoln Peirce
Nate is a self-described genius and a sixth-grade Renaissance man equipped with only a #2 pencil and the unshakable belief that he is destined for greatness (a fortune cookie told him so). He fights a daily battle against overzealous teachers, undercooked cafeteria food, and all-around conventionality. He's the 21st century Calvin, without the Hobbes.
Chet Gecko Mystery series by Bruce Hale
If you like stereotypical mysteries, the Chet's your man, with lots of play on words (like To Grill a Mockingbird) and silly asides.
Circles of Heck by Dale Basye
If you ever suffered through Dante's Inferno, then you'll definitely get a kick out of this kid-friendly version full of puns and allusions.
Half Magic and other books by Edgar Eager
Before JK Rowling, there was Edgar Eager - author of these delightful books that weave magic and mayhem with unsuspecting folks in everyday life.
The Heroes of Olympus by Rick Riordan
Readers longing for a return to Camp Half-Blood will get their wish in the first novel of the Heroes of Olympus series, which follows Riordan's popular Percy Jackson and the Olympians series and includes some of the same characters in minor roles.
The Kane Chronicles by Rick Riordan
Rooted in Ancient Egyptian mythology, a brother-sister team embark on a fantasy adventure to understand their hidden magical powers as descendents of pharaohs.
Redwall series by Brian Jacques
Magical, mystical, and the stuff of legends, this stunning tale of good battling with--and ultimately triumphing over--evil takes the reader on a roller-coaster adventure with the woodland creatures of Redwall Abbey.
Secret Series by Pseudonymous Bosch
Two intrepid kids uncover a mysterious society bent on immortality, which gets them in and out of all manner of trouble.
Theodore Boone series by John Grisham
Only 13 but already so much a lawyer in his own mind, Theo's dilemma with helping a murder investigation is woven with intriguing public and behind-the-scenes looks at courts, lawyers, and the realities of the judicial process.