There, they can work to their hearts content on projects like the Stink-O-Meter, the Kablovsky Copter, and the Nightsneak Goggles. All that tinkering comes in handy when the trio discovers an evil scientist's dastardly plan to rob a museum. Can three inventors, armed with their wacky creations, hope to defeat this criminal mastermind?

    After a mysterious incident leaves Griffin close to death, Effie is given an unusual silver ring and told she must look after her grandfather’s library of rare and powerful books. But then the books fall into the hands of shady scholar Leonard Levar, and Effie is propelled into the most dangerous adventure of her life.Now, Effie and her friends—nerdy Maximilian, rugby-mad Wolf, helpful Lexy, and eccentric Raven—must discover their true powers if they are to get the books back. And Effie alone will have to travel to the Otherworld, where she will uncover the true meaning of the strange old book called Dragon’s Green…

    He is also a finder. The occupants of Offley Street are delighted when their missing items are found, but not so happy to learn that their brilliant detective is a mouse! What will happen to Hermelin? Will his talents go unrewarded?

    This 96-page activity book is chock-full of puzzles and games that will have fans walking on air as they join in Aang's challenges and adventures.

    This irresistible companion to You Can't Take a Balloon Into The Metropolitan Museum and You Can't Take a Balloon Into The National Gallery begins when a little girl visits the museum's treasures and her balloon gets loose. Floating past Paul Revere House, Fenway Park, Trinity Church, and other landmarks, the balloon's adventures seem to mirror the paintings and sculpture the girl is admiring. Thirty-three past and present legends of Boston (such as Louisa May Alcott, Bill Russell, and Ted Williams) are hidden within the illustrations, and their bios are included. You Can't Take a Balloon Into The Museum of Fine Arts is once again "an introduction to art, a dandy puzzle, and an imaginative guide."

    Even more shocking? Abigail’s mother is a top agent for The Center and she has gone MIA, with valuable information that many people would like to have—at any cost. Along with a former nemesis and charming boy from her grade, Abigail goes through a crash course in Spy Training 101, often with hilarious—and sometimes painful—results. But Abigail realizes she might be a better spy-in-training than she thought—and the answers to her mother’s whereabouts are a lot closer than she thinks…

    The stories do not necessarily take place at the same moment in time, but are they really one story?

    "A "Junior Literary Guild" selection and winner of the "Mystery Writers of America" EDGAR Award.This story "immediately hooks readers, who will gobble up this satisfying fare," says "School Library Journal. "Fully realized Victorian melodrama that would make Dickens proud," says "The Bulletin of the Center for Children's Books."

    When creatures like goblins and fairies and unicorns, all characters from a card game the Grey Griffins play, begin to make appearances in Max's backyard, Max and his friends know something is terribly wrong. And it's up to them to stop the wicked creatures of the cards from destroying their town-indeed, their world.

    It is also the sequel to "Mabel and the Sock Pirates" by Elwyn Tate (we recommend you read that one first). It was a fine and sunny morning on Mabels magical farm. The chickens clucked cheerfully, the cows moo and munched, and the bees buzzed busily by. BUT!!!...Then something strange started to happen. Someone or something kept moving Mabel's sheep around. Who could it be and why were they doing it?

    Through encounters with Hessian soldiers, revolutionaries, and even George Washington himself, Matthew, Quentin, Hooter, Tony, and Katie watch history unfold before their eyes as they see first-hand, the grim realities of war and the cost of freedom.

    Half the town joins the exciting chase, but it's not until everyone returns home that Mary Ellen makes a discovery of her own: Sometimes, even the sweetest of things must be worked for.* Polacco has created another charming picture book featuring a child learning from a grandparent in an idyllic pastoral setting . . . Both the writing and artwork are fresh and inviting. --School Library Journal, starred reviewThe newest gem from Polacco's treasure chest of family stories extols the virtue of reading--and of taking a study break . . . Like Mary Ellen, readers will emerge refreshed from this respite, ready to seek out new adventures. --Publishers Weekly Young readers will savor this. --The Horn Book

    Amelia Jones always dreamed of attending the Mystwick School of Musicraft, where the world’s most promising musicians learn to create magic. So when Amelia botches her audition, she thinks her dream has met an abrupt and humiliating end—until the school agrees to give her a trial period. Amelia is determined to prove herself, vowing to do whatever it takes to become the perfect musician. Even if it means pretending to be someone she isn’t. Meanwhile, a mysterious storm is brewing that no one, not even the maestros at Mystwick, is prepared to contain. Can Amelia find the courage to be true to herself in time to save her beloved school from certain destruction?

    Marden reports that some of her valuables have gone missing, the twins investigate.

    (And you, dear reader, can test your wits right alongside them.) But in the end just four very special children will succeed. Their challenge: to go on a secret mission that only the most intelligent and resourceful children could complete. To accomplish it they will have to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules. As our heroes face physical and mental trials beyond their wildest imaginations, they have no choice but to turn to each other for support. But with their newfound friendship at stake, will they be able to pass the most important test of all?This tenth anniversary edition of The Mysterious Benedict Society includes over thirty pages of bonus materials that will delight old and new fans alike.