When left to take care of himself, a young boy becomes involved with a community of intelligent lizards who tell him of a little known invasion from outer space.

    George's parents, who have always been wary of technology, warn him about their new neighbors: Eric is a scientist and his daughter, Annie, seems to be following in his footsteps. But when George befriends them and Cosmos, their super-computer, he finds himself on a wildly fun adventure, while learning about physics, time, and the universe. With Cosmos's help, he can travel to other planets and a black hole. But what would happen if the wrong people got their hands on Cosmos? George, Annie, and Eric aren't about to find out, and what ensues is a funny adventure that clearly explains the mysteries of science. Garry Parsons' energetic illustrations add humor and interest, and his scientific drawings add clarity; there are also eight 4-page full-color inserts of scientific photos.

    When diphtheria strikes the village and the children of Clifton start dying, Jessie's mother sends her on a dangerous mission to bring back help. But beyond the walls of Clifton, Jessie discovers a world even more alien and threatening than she could have imagined, and soon she finds her own life in jeopardy. Can she get help before the children of Clifton, and Jessie herself, run out of time?

    But when a student disappears, it's up to Thea and five of her students to find out what happened. A nail-biting mystery ensues, complete with secret passages, underground tunnels, and more than a few surprises along the way. Readers will love following the clues to help Thea and her new friends through their first adventure together!

    Through the windows, she is shocked to find what seem to be living people in the tiny rooms, and gradually she realizes that scenes from the lives of the big house’s past inhabitants are being replayed there.

    You travel from France to Africa in a balloon, accompanied by your friends Peter and Sarah and a dog named Harry.

    Pb-pb-b-b-b." With these magic vocables, Ralph the mouse revs up a dream come true--his very own motorcycle. Living in a knothole in a hotel room, young Ralph has seen plenty of families come and go, some more generous with their crumbs than others. But when young Keith and his parents check in to the hotel, Ralph gets his first chance to check out. He has always fantasized about venturing beyond the second floor, maybe even outside. Curiosity overcomes caution, and Ralph must have a go at Keith's toy motorcycle. Soon, the headstrong mouse finds himself in a pickle, when all he wanted was to ride a motorcycle. Lucky for him, the boy understands how it is. When he discovers Ralph in his thwarted attempt to abscond with the toy bike, Keith generously encourages the rodent to ride. He even teaches him the simple trick of starting the motorcycle: "You have to make a noise... pb-pb-b-b-b." The subsequent situations Ralph motors into require quick thinking and grownup-sized courage.

    You must prove yourself in a duel with quarterstaves, but you've never used them before.You can try to defend yourself or escape through the angry crowd. Your decision can lead you to safety or leave you stranded in time!ARE YOU READY TO FACE THE DANGER?

    Because the machine, code named Belch, is doing their homework for them, they start spending a lot of time together, attracting a lot of attention. And attention is exactly what you don't want when you are keeping a secret. Before long, members of the D Squad, as they are called at school are getting strange Instant Messages from a shady guy named Milner; their teacher, Miss Rasmussen, is calling private meetings with each of them and giving them pop tests that they are failing; and someone has leaked the possibility of a homework machine to the school newspaper. Just when the D Squad thinks things can't get any more out of control, Belch becomes much more powerful than they ever imagined. Soon the kids are in a race against their own creation, and the loser could end up in jail...or worse!

    The attempt succeeds until Mr. Cooper asks Katie too many questions.

    Dragons are trained to fight to the death, and two determined teens help free them in this spellbinding saga.Training a dragon to be a fighting champion is the only way to freedom for fifteen-year-old Jakkin.

    Annabel never thought it was strange that she had Gloria instead of real parents. Until one day a wicked, wicked cat named Belinda comes to tell her the truth -- she's not just a little girl, she's a half-fairy! And she can do lots of things that other kids can't do, such as kiss her own elbow and fly around the house. But being a fairy isn't all fun and games, and soon Annabel must make a choice. If she chooses to be a fairy, she'll have to say good-bye to Gloria forever. How can she decide between her newly found magic and her dearest friend?

    A storm at sea washes a young pickpocket, Hugh, and a surgeon's son, Raymond, overboard.  Landing on the strange island world of Dinotopia, Raymond and Hugh learn the meaning of real courage and true friendship, with the help of a reclusive Skybax named Windchaser.

    Whether it's watching over the other dogs of Steamboat Springs, Colorado, or taking care of his human pup, Jack, McKinley never even thinks of letting anyone down -- until he meets Lupin. Lupin is a she-wolf and she's urging the dogs of Steamboat Springs to leave their domesticated lives and join her wild pack. And though she scares McKinley, he also finds himself drawn to her and the life of freedom that she offers.For the first time, McKinley's loyalties are torn. Should he stay with his humans and continue to lead the dogs of Steamboat Springs? Or should he join the wolf and live freely, like his ancestors did? When the wild calls, what will McKinley's answer be?

    From the moment Danny sees the beautiful Irish setter, he knows Red is the dog for him.  Fast and smart, strong and noble, Red is the only dog Danny wants by his side.  Soon, neither boy nor dog can stand to be apart.  Together Danny and Red face many dangers in the harsh Wintapi wilderness that they call home.  But the greatest test of their courage and friendship will come from an enemy more cunning than any they've known before--a bear who is the undisputed king of the wilderness, a savage killer called Old Majesty.